25606953 has 12 divisors (see below), whose sum is σ = 37049220. Its totient is φ = 17042976.

The previous prime is 25606949. The next prime is 25606957. The reversal of 25606953 is 35960652.

25606953 is a `hidden beast` number, since 2 + 560 + 6 + 95 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (25606949) and next prime (25606957).

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 13307904 = 3507^2 + 3648^2 .

It is not a de Polignac number, because 25606953 - 2² = 25606949 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25606957) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4375 + ... + 8387.

It is an arithmetic number, because the mean of its divisors is an integer number (3087435).

Almost surely, 2^25606953 is an apocalyptic number.

It is an amenable number.

25606953 is a deficient number, since it is larger than the sum of its proper divisors (11442267).

25606953 is a wasteful number, since it uses less digits than its factorization.

25606953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 25606953 is about 5060.3313132640. The cubic root of 25606953 is about 294.7491998416.

The spelling of 25606953 in words is "twenty-five million, six hundred six thousand, nine hundred fifty-three".