612425512 has 8 divisors (see below), whose sum is σ = 1148297850. Its totient is φ = 306212752.

The previous prime is 612425507. The next prime is 612425551. The reversal of 612425512 is 215524216.

It can be written as a sum of positive squares in only one way, i.e., 444619396 + 167806116 = 21086^2 + 12954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38276587 + ... + 38276602.

Almost surely, 2^612425512 is an apocalyptic number.

It is an amenable number.

612425512 is a deficient number, since it is larger than the sum of its proper divisors (535872338).

612425512 is a wasteful number, since it uses less digits than its factorization.

612425512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76553195 (or 76553191 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 612425512 is about 24747.2324109182. The cubic root of 612425512 is about 849.2151981096.

Adding to 612425512 its reverse (215524216), we get a palindrome (827949728).

The spelling of 612425512 in words is "six hundred twelve million, four hundred twenty-five thousand, five hundred twelve".