425118537 has 14 divisors (see below), whose sum is σ = 637387322. Its totient is φ = 283411872.

The previous prime is 425118517. The next prime is 425118539. The reversal of 425118537 is 735811524.

425118537 is a `hidden beast` number, since 4 + 2 + 5 + 118 + 537 = 666.

It can be written as a sum of positive squares in only one way, i.e., 354154761 + 70963776 = 18819^2 + 8424^2 .

It is not a de Polignac number, because 425118537 - 2⁷ = 425118409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425118539) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 290848 + ... + 292305.

Almost surely, 2^425118537 is an apocalyptic number.

It is an amenable number.

425118537 is a deficient number, since it is larger than the sum of its proper divisors (212268785).

425118537 is an frugal number, since it uses more digits than its factorization.

425118537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583171 (or 583156 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 425118537 is about 20618.4028721916. The cubic root of 425118537 is about 751.9171909957.

The spelling of 425118537 in words is "four hundred twenty-five million, one hundred eighteen thousand, five hundred thirty-seven".