25430916 has 48 divisors (see below), whose sum is σ = 70769664. Its totient is φ = 6949536.

The previous prime is 25430903. The next prime is 25430917. The reversal of 25430916 is 61903452.

It is not an unprimeable number, because it can be changed into a prime (25430917) 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, 4650 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (1474368).

Almost surely, 2^25430916 is an apocalyptic number.

It is an amenable number.

25430916 is an abundant number, since it is smaller than the sum of its proper divisors (45338748).

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

25430916 is a wasteful number, since it uses less digits than its factorization.

25430916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200 (or 13198 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25430916 is about 5042.9074946899. The cubic root of 25430916 is about 294.0722206768.

The spelling of 25430916 in words is "twenty-five million, four hundred thirty thousand, nine hundred sixteen".