25725706 has 8 divisors (see below), whose sum is σ = 38834820. Its totient is φ = 12780768.

The previous prime is 25725673. The next prime is 25725751. The reversal of 25725706 is 60752752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24059025 + 1666681 = 4905^2 + 1291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40651 + ... + 41278.

Almost surely, 2^25725706 is an apocalyptic number.

25725706 is a deficient number, since it is larger than the sum of its proper divisors (13109114).

25725706 is a wasteful number, since it uses less digits than its factorization.

25725706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82088.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 25725706 is about 5072.0514587295. The cubic root of 25725706 is about 295.2041333455.

The spelling of 25725706 in words is "twenty-five million, seven hundred twenty-five thousand, seven hundred six".