25715705 has 8 divisors (see below), whose sum is σ = 30888000. Its totient is φ = 20553136.

The previous prime is 25715689. The next prime is 25715717. The reversal of 25715705 is 50751752.

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

It is a cyclic number.

It is not a de Polignac number, because 25715705 - 2⁴ = 25715689 is a prime.

It is a super-2 number, since 2×25715705² = 1322594967294050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 9444.

It is an arithmetic number, because the mean of its divisors is an integer number (3861000).

Almost surely, 2^25715705 is an apocalyptic number.

It is an amenable number.

25715705 is a deficient number, since it is larger than the sum of its proper divisors (5172295).

25715705 is a wasteful number, since it uses less digits than its factorization.

25715705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 25715705 is about 5071.0654698988. The cubic root of 25715705 is about 295.1658743475.

The spelling of 25715705 in words is "twenty-five million, seven hundred fifteen thousand, seven hundred five".