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25133313 = 383100937
BaseRepresentation
bin101111111100…
…0000100000001
31202021220102110
41133320010001
522413231223
62254405533
7423425652
oct137700401
952256373
1025133313
1113207037
1285008a9
13528caaa
1434a3529
152316d93
hex17f8101

25133313 has 8 divisors (see below), whose sum is σ = 33915168. Its totient is φ = 16553504.

The previous prime is 25133309. The next prime is 25133321. The reversal of 25133313 is 31333152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25133313 - 22 = 25133309 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25133313.

It is not an unprimeable number, because it can be changed into a prime (25133363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50220 + ... + 50717.

It is an arithmetic number, because the mean of its divisors is an integer number (4239396).

Almost surely, 225133313 is an apocalyptic number.

It is an amenable number.

25133313 is a deficient number, since it is larger than the sum of its proper divisors (8781855).

25133313 is a wasteful number, since it uses less digits than its factorization.

25133313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101023.

The product of its digits is 810, while the sum is 21.

The square root of 25133313 is about 5013.3135748724. The cubic root of 25133313 is about 292.9205987987.

Adding to 25133313 its reverse (31333152), we get a palindrome (56466465).

It can be divided in two parts, 2 and 5133313, that added together give a palindrome (5133315).

The spelling of 25133313 in words is "twenty-five million, one hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 3 83 249 100937 302811 8377771 25133313