25825516 has 12 divisors (see below), whose sum is σ = 47853288. Its totient is φ = 12153152.

The previous prime is 25825493. The next prime is 25825517. The reversal of 25825516 is 61552852.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (25825517) 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, 189826 + ... + 189961.

It is an arithmetic number, because the mean of its divisors is an integer number (3987774).

Almost surely, 2^25825516 is an apocalyptic number.

It is an amenable number.

25825516 is a deficient number, since it is larger than the sum of its proper divisors (22027772).

25825516 is a wasteful number, since it uses less digits than its factorization.

25825516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379808 (or 379806 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 25825516 is about 5081.8811477641. The cubic root of 25825516 is about 295.5854160654.

The spelling of 25825516 in words is "twenty-five million, eight hundred twenty-five thousand, five hundred sixteen".