25116570 has 24 divisors (see below), whose sum is σ = 65303316. Its totient is φ = 6697728.

The previous prime is 25116569. The next prime is 25116571. The reversal of 25116570 is 7561152.

25116570 is a `hidden beast` number, since 2 + 5 + 1 + 1 + 657 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (25116569) and next prime (25116571).

It can be written as a sum of positive squares in 2 ways, for example, as 23068809 + 2047761 = 4803^2 + 1431^2 .

It is not an unprimeable number, because it can be changed into a prime (25116571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139447 + ... + 139626.

Almost surely, 2^25116570 is an apocalyptic number.

25116570 is an abundant number, since it is smaller than the sum of its proper divisors (40186746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25116570 is a wasteful number, since it uses less digits than its factorization.

25116570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279086 (or 279083 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 25116570 is about 5011.6434430235. The cubic root of 25116570 is about 292.8555396077.

The spelling of 25116570 in words is "twenty-five million, one hundred sixteen thousand, five hundred seventy".