612642152 has 16 divisors (see below), whose sum is σ = 1179750660. Its totient is φ = 298041984.

The previous prime is 612642143. The next prime is 612642167. The reversal of 612642152 is 251246216.

It can be written as a sum of positive squares in 2 ways, for example, as 554790916 + 57851236 = 23554^2 + 7606^2 .

It is a super-2 number, since 2×612642152² = 750660812814382208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034573 + ... + 1035164.

Almost surely, 2^612642152 is an apocalyptic number.

It is an amenable number.

612642152 is a deficient number, since it is larger than the sum of its proper divisors (567108508).

612642152 is a wasteful number, since it uses less digits than its factorization.

612642152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069780 (or 2069776 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 612642152 is about 24751.6090790074. The cubic root of 612642152 is about 849.3153203766.

Adding to 612642152 its reverse (251246216), we get a palindrome (863888368).

The spelling of 612642152 in words is "six hundred twelve million, six hundred forty-two thousand, one hundred fifty-two".