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25272533 = 1113315701
BaseRepresentation
bin110000001101…
…0000011010101
31202112222101202
41200122003111
522432210113
62301402245
7424545566
oct140320325
952488352
1025272533
11132a16a0
128569385
13530b280
1434dc16d
152343258
hex181a0d5

25272533 has 16 divisors (see below), whose sum is σ = 30653952. Its totient is φ = 20520000.

The previous prime is 25272497. The next prime is 25272551. The reversal of 25272533 is 33527252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25272533 - 210 = 25271509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25272496 and 25272505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25272553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (1915872).

Almost surely, 225272533 is an apocalyptic number.

It is an amenable number.

25272533 is a deficient number, since it is larger than the sum of its proper divisors (5381419).

25272533 is a wasteful number, since it uses less digits than its factorization.

25272533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756.

The product of its digits is 12600, while the sum is 29.

The square root of 25272533 is about 5027.1794278701. The cubic root of 25272533 is about 293.4604578409.

Adding to 25272533 its reverse (33527252), we get a palindrome (58799785).

The spelling of 25272533 in words is "twenty-five million, two hundred seventy-two thousand, five hundred thirty-three".

Divisors: 1 11 13 31 143 341 403 4433 5701 62711 74113 176731 815243 1944041 2297503 25272533