425520535513425 has 48 divisors (see below), whose sum is σ = 777199302727680. Its totient is φ = 203701430088000.

The previous prime is 425520535513397. The next prime is 425520535513459. The reversal of 425520535513425 is 524315535025524.

It is not a de Polignac number, because 425520535513425 - 2²⁶ = 425520468404561 is a prime.

It is a super-2 number, since 2×425520535513425² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3264380821 + ... + 3264511170.

It is an arithmetic number, because the mean of its divisors is an integer number (16191652140160).

Almost surely, 2^{425520535513425} is an apocalyptic number.

It is an amenable number.

425520535513425 is a deficient number, since it is larger than the sum of its proper divisors (351678767214255).

425520535513425 is a wasteful number, since it uses less digits than its factorization.

425520535513425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528892094 (or 6528892089 counting only the distinct ones).

The product of its (nonzero) digits is 18000000, while the sum is 51.

The spelling of 425520535513425 in words is "four hundred twenty-five trillion, five hundred twenty billion, five hundred thirty-five million, five hundred thirteen thousand, four hundred twenty-five".