25712467420425 has 24 divisors (see below), whose sum is σ = 43313379087744. Its totient is φ = 13454574144960.

The previous prime is 25712467420421. The next prime is 25712467420433. The reversal of 25712467420425 is 52402476421752.

It is not a de Polignac number, because 25712467420425 - 2² = 25712467420421 is a prime.

It is a super-2 number, since 2×25712467420425² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25712467420421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3234268657 + ... + 3234276606.

It is an arithmetic number, because the mean of its divisors is an integer number (1804724128656).

Almost surely, 2^{25712467420425} is an apocalyptic number.

25712467420425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25712467420425 is a deficient number, since it is larger than the sum of its proper divisors (17600911667319).

25712467420425 is a wasteful number, since it uses less digits than its factorization.

25712467420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468545329 (or 6468545324 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 51.

The spelling of 25712467420425 in words is "twenty-five trillion, seven hundred twelve billion, four hundred sixty-seven million, four hundred twenty thousand, four hundred twenty-five".