403816712725025 has 48 divisors (see below), whose sum is σ = 519098351293440. Its totient is φ = 311295116563200.

The previous prime is 403816712725021. The next prime is 403816712725037. The reversal of 403816712725025 is 520527217618304.

It is not a de Polignac number, because 403816712725025 - 2² = 403816712725021 is a prime.

It is a super-2 number, since 2×403816712725025² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (403816712725021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371167739 + ... + 372254111.

It is an arithmetic number, because the mean of its divisors is an integer number (10814548985280).

Almost surely, 2^{403816712725025} is an apocalyptic number.

It is an amenable number.

403816712725025 is a deficient number, since it is larger than the sum of its proper divisors (115281638568415).

403816712725025 is a wasteful number, since it uses less digits than its factorization.

403816712725025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088466 (or 1088461 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 403816712725025 in words is "four hundred three trillion, eight hundred sixteen billion, seven hundred twelve million, seven hundred twenty-five thousand, twenty-five".