25064231 has 4 divisors (see below), whose sum is σ = 25438392. Its totient is φ = 24690072.

The previous prime is 25064201. The next prime is 25064233. The reversal of 25064231 is 13246052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25064231 - 2⁶ = 25064167 is a prime.

It is a super-2 number, since 2×25064231² = 1256431351242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25064197 and 25064206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25064233) 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, 186980 + ... + 187113.

It is an arithmetic number, because the mean of its divisors is an integer number (6359598).

Almost surely, 2^25064231 is an apocalyptic number.

25064231 is a deficient number, since it is larger than the sum of its proper divisors (374161).

25064231 is an equidigital number, since it uses as much as digits as its factorization.

25064231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374160.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25064231 is about 5006.4189796700. The cubic root of 25064231 is about 292.6519764444.

The spelling of 25064231 in words is "twenty-five million, sixty-four thousand, two hundred thirty-one".