425545662525 has 24 divisors (see below), whose sum is σ = 712045572000. Its totient is φ = 224223253440.

The previous prime is 425545662511. The next prime is 425545662559. The reversal of 425545662525 is 525266545524.

It is not a de Polignac number, because 425545662525 - 2⁹ = 425545662013 is a prime.

It is a super-2 number, since 2×425545662525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 34174150 + ... + 34186599.

It is an arithmetic number, because the mean of its divisors is an integer number (29668565500).

Almost surely, 2^425545662525 is an apocalyptic number.

It is an amenable number.

425545662525 is a deficient number, since it is larger than the sum of its proper divisors (286499909475).

425545662525 is a wasteful number, since it uses less digits than its factorization.

425545662525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68360845 (or 68360840 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 51.

The spelling of 425545662525 in words is "four hundred twenty-five billion, five hundred forty-five million, six hundred sixty-two thousand, five hundred twenty-five".