25415032 has 8 divisors (see below), whose sum is σ = 47653200. Its totient is φ = 12707512.

The previous prime is 25415029. The next prime is 25415053. The reversal of 25415032 is 23051452.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×25415032² = 1291847703122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25414994 and 25415012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1588432 + ... + 1588447.

It is an arithmetic number, because the mean of its divisors is an integer number (5956650).

Almost surely, 2^25415032 is an apocalyptic number.

It is an amenable number.

25415032 is a deficient number, since it is larger than the sum of its proper divisors (22238168).

25415032 is a wasteful number, since it uses less digits than its factorization.

25415032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176885 (or 3176881 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25415032 is about 5041.3323635722. The cubic root of 25415032 is about 294.0109826678.

Adding to 25415032 its reverse (23051452), we get a palindrome (48466484).

The spelling of 25415032 in words is "twenty-five million, four hundred fifteen thousand, thirty-two".