612710985 has 32 divisors (see below), whose sum is σ = 1015856640. Its totient is φ = 314978048.

The previous prime is 612710971. The next prime is 612711017. The reversal of 612710985 is 589017216.

It is not a de Polignac number, because 612710985 - 2⁶ = 612710921 is a prime.

It is a super-2 number, since 2×612710985² = 750829502279340450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479167 + ... + 480443.

It is an arithmetic number, because the mean of its divisors is an integer number (31745520).

Almost surely, 2^612710985 is an apocalyptic number.

It is an amenable number.

612710985 is a deficient number, since it is larger than the sum of its proper divisors (403145655).

612710985 is a wasteful number, since it uses less digits than its factorization.

612710985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 612710985 is about 24752.9995152103. Note that the first 3 decimals coincide. The cubic root of 612710985 is about 849.3471272707.

The spelling of 612710985 in words is "six hundred twelve million, seven hundred ten thousand, nine hundred eighty-five".