25345164 has 96 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 6939648.

The previous prime is 25345157. The next prime is 25345193. The reversal of 25345164 is 46154352.

It is an unprimeable number.

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, 50137 + ... + 50639.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^25345164 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 25345164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35562240).

25345164 is an abundant number, since it is smaller than the sum of its proper divisors (45779316).

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

25345164 is a wasteful number, since it uses less digits than its factorization.

25345164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 557 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 25345164 is about 5034.3980772283. The cubic root of 25345164 is about 293.7413153310.

The spelling of 25345164 in words is "twenty-five million, three hundred forty-five thousand, one hundred sixty-four".