25775705 has 16 divisors (see below), whose sum is σ = 31990464. Its totient is φ = 19924800.

The previous prime is 25775699. The next prime is 25775731. The reversal of 25775705 is 50757752.

It is a happy number.

It is not a de Polignac number, because 25775705 - 2²⁴ = 8998489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21122 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (1999404).

Almost surely, 2^25775705 is an apocalyptic number.

It is an amenable number.

25775705 is a deficient number, since it is larger than the sum of its proper divisors (6214759).

25775705 is a wasteful number, since it uses less digits than its factorization.

25775705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 25775705 is about 5076.9779396803. The cubic root of 25775705 is about 295.3952568285.

The spelling of 25775705 in words is "twenty-five million, seven hundred seventy-five thousand, seven hundred five".