25307964 has 96 divisors (see below), whose sum is σ = 72737280. Its totient is φ = 7639920.

The previous prime is 25307959. The next prime is 25307969. The reversal of 25307964 is 46970352.

It is an interprime number because it is at equal distance from previous prime (25307959) and next prime (25307969).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25307969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96097 + ... + 96359.

It is an arithmetic number, because the mean of its divisors is an integer number (757680).

Almost surely, 2^25307964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25307964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36368640).

25307964 is an abundant number, since it is smaller than the sum of its proper divisors (47429316).

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

25307964 is a wasteful number, since it uses less digits than its factorization.

25307964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 25307964 is about 5030.7021378730. The cubic root of 25307964 is about 293.5975334329.

The spelling of 25307964 in words is "twenty-five million, three hundred seven thousand, nine hundred sixty-four".