25535964 has 12 divisors (see below), whose sum is σ = 59583944. Its totient is φ = 8511984.

The previous prime is 25535963. The next prime is 25535999. The reversal of 25535964 is 46953552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25535963) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1063987 + ... + 1064010.

Almost surely, 2^25535964 is an apocalyptic number.

It is an amenable number.

25535964 is an abundant number, since it is smaller than the sum of its proper divisors (34047980).

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

25535964 is a wasteful number, since it uses less digits than its factorization.

25535964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128004 (or 2128002 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 25535964 is about 5053.3121811343. The cubic root of 25535964 is about 294.4765744562.

The spelling of 25535964 in words is "twenty-five million, five hundred thirty-five thousand, nine hundred sixty-four".