25964473 has 2 divisors, whose sum is σ = 25964474. Its totient is φ = 25964472.

The previous prime is 25964459. The next prime is 25964501. The reversal of 25964473 is 37446952.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 76729 = 5088^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 25964473 - 2⁵ = 25964441 is a prime.

It is not a weakly prime, because it can be changed into another prime (25964413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12982236 + 12982237.

It is an arithmetic number, because the mean of its divisors is an integer number (12982237).

Almost surely, 2^25964473 is an apocalyptic number.

It is an amenable number.

25964473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25964473 is an equidigital number, since it uses as much as digits as its factorization.

25964473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 25964473 is about 5095.5346137574. The cubic root of 25964473 is about 296.1146112352.

The spelling of 25964473 in words is "twenty-five million, nine hundred sixty-four thousand, four hundred seventy-three".