25015032 has 48 divisors (see below), whose sum is σ = 77429040. Its totient is φ = 7147008.

The previous prime is 25015027. The next prime is 25015037. The reversal of 25015032 is 23051052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25015027) and next prime (25015037).

It is a super-2 number, since 2×25015032² = 1251503651922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 25014996 and 25015014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25015037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24313 + ... + 25320.

It is an arithmetic number, because the mean of its divisors is an integer number (1613105).

Almost surely, 2^25015032 is an apocalyptic number.

It is an amenable number.

25015032 is an abundant number, since it is smaller than the sum of its proper divisors (52414008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25015032 is a wasteful number, since it uses less digits than its factorization.

25015032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49652 (or 49645 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25015032 is about 5001.5029741069. The cubic root of 25015032 is about 292.4603671920.

Adding to 25015032 its reverse (23051052), we get a palindrome (48066084).

The spelling of 25015032 in words is "twenty-five million, fifteen thousand, thirty-two".