25625705 has 16 divisors (see below), whose sum is σ = 36357120. Its totient is φ = 16965312.

The previous prime is 25625693. The next prime is 25625707. The reversal of 25625705 is 50752652.

It is not a de Polignac number, because 25625705 - 2⁶ = 25625641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25625707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11609 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (2272320).

Almost surely, 2^25625705 is an apocalyptic number.

It is an amenable number.

25625705 is a deficient number, since it is larger than the sum of its proper divisors (10731415).

25625705 is a wasteful number, since it uses less digits than its factorization.

25625705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25288.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 25625705 is about 5062.1838172868. The cubic root of 25625705 is about 294.8211306744.

The spelling of 25625705 in words is "twenty-five million, six hundred twenty-five thousand, seven hundred five".