25047231 has 16 divisors (see below), whose sum is σ = 36791040. Its totient is φ = 15030720.

The previous prime is 25047229. The next prime is 25047247. The reversal of 25047231 is 13274052.

It is not a de Polignac number, because 25047231 - 2¹ = 25047229 is a prime.

It is a super-2 number, since 2×25047231² = 1254727561534722, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25047221) 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, 286 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (2299440).

Almost surely, 2^25047231 is an apocalyptic number.

25047231 is a deficient number, since it is larger than the sum of its proper divisors (11743809).

25047231 is a wasteful number, since it uses less digits than its factorization.

25047231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25047231 is about 5004.7208713374. The cubic root of 25047231 is about 292.5857970243.

The spelling of 25047231 in words is "twenty-five million, forty-seven thousand, two hundred thirty-one".