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25114213 = 67374839
BaseRepresentation
bin101111111001…
…1011001100101
31202020221020001
41133303121211
522412123323
62254141301
7423316165
oct137633145
952227201
1025114213
11131a3753
1284b1831
1352841a7
14349a5a5
1523113ad
hex17f3665

25114213 has 4 divisors (see below), whose sum is σ = 25489120. Its totient is φ = 24739308.

The previous prime is 25114211. The next prime is 25114217. The reversal of 25114213 is 31241152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25114213 - 21 = 25114211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25114211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187353 + ... + 187486.

It is an arithmetic number, because the mean of its divisors is an integer number (6372280).

Almost surely, 225114213 is an apocalyptic number.

It is an amenable number.

25114213 is a deficient number, since it is larger than the sum of its proper divisors (374907).

25114213 is an equidigital number, since it uses as much as digits as its factorization.

25114213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374906.

The product of its digits is 240, while the sum is 19.

The square root of 25114213 is about 5011.4082851031. The cubic root of 25114213 is about 292.8463785625.

Adding to 25114213 its reverse (31241152), we get a palindrome (56355365).

It can be divided in two parts, 2511 and 4213, that added together give a square (6724 = 822).

The spelling of 25114213 in words is "twenty-five million, one hundred fourteen thousand, two hundred thirteen".

Divisors: 1 67 374839 25114213