25625964 has 96 divisors (see below), whose sum is σ = 76066816. Its totient is φ = 6531840.

The previous prime is 25625947. The next prime is 25625969. The reversal of 25625964 is 46952652.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25625969) 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, 33474 + ... + 34230.

Almost surely, 2^25625964 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 25625964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38033408).

25625964 is an abundant number, since it is smaller than the sum of its proper divisors (50440852).

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

25625964 is a wasteful number, since it uses less digits than its factorization.

25625964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 813 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 25625964 is about 5062.2093990668. The cubic root of 25625964 is about 294.8221239273.

The spelling of 25625964 in words is "twenty-five million, six hundred twenty-five thousand, nine hundred sixty-four".