25466131 has 2 divisors, whose sum is σ = 25466132. Its totient is φ = 25466130.

The previous prime is 25466117. The next prime is 25466149. The reversal of 25466131 is 13166452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25466131 - 2⁷ = 25466003 is a prime.

It is a super-2 number, since 2×25466131² = 1297047656218322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25466131.

It is not a weakly prime, because it can be changed into another prime (25466171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12733065 + 12733066.

It is an arithmetic number, because the mean of its divisors is an integer number (12733066).

Almost surely, 2^25466131 is an apocalyptic number.

25466131 is a deficient number, since it is larger than the sum of its proper divisors (1).

25466131 is an equidigital number, since it uses as much as digits as its factorization.

25466131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 25466131 is about 5046.3978241910. The cubic root of 25466131 is about 294.2078951310.

The spelling of 25466131 in words is "twenty-five million, four hundred sixty-six thousand, one hundred thirty-one".