25705064 has 32 divisors (see below), whose sum is σ = 60091200. Its totient is φ = 10014720.

The previous prime is 25705063. The next prime is 25705067. The reversal of 25705064 is 46050752.

It is not an unprimeable number, because it can be changed into a prime (25705063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20249 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (1877850).

Almost surely, 2^25705064 is an apocalyptic number.

It is an amenable number.

25705064 is an abundant number, since it is smaller than the sum of its proper divisors (34386136).

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

25705064 is a wasteful number, since it uses less digits than its factorization.

25705064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41753 (or 41749 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25705064 is about 5070.0161735442. The cubic root of 25705064 is about 295.1251561251.

The spelling of 25705064 in words is "twenty-five million, seven hundred five thousand, sixty-four".