25116670 has 32 divisors (see below), whose sum is σ = 47940480. Its totient is φ = 9447840.

The previous prime is 25116649. The next prime is 25116677. The reversal of 25116670 is 7661152.

It is a super-2 number, since 2×25116670² = 1261694223777800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116677) 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, 30565 + ... + 31375.

It is an arithmetic number, because the mean of its divisors is an integer number (1498140).

Almost surely, 2^25116670 is an apocalyptic number.

25116670 is a deficient number, since it is larger than the sum of its proper divisors (22823810).

25116670 is a wasteful number, since it uses less digits than its factorization.

25116670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 25116670 is about 5011.6534197807. The cubic root of 25116670 is about 292.8559282689.

The spelling of 25116670 in words is "twenty-five million, one hundred sixteen thousand, six hundred seventy".