612353216 has 14 divisors (see below), whose sum is σ = 1215138540. Its totient is φ = 306176576.

The previous prime is 612353201. The next prime is 612353221.

612353216 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×612353216² = 749952922291085312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4783946 + ... + 4784073.

It is an arithmetic number, because the mean of its divisors is an integer number (86795610).

Almost surely, 2^612353216 is an apocalyptic number.

It is an amenable number.

612353216 is a deficient number, since it is larger than the sum of its proper divisors (602785324).

612353216 is an equidigital number, since it uses as much as digits as its factorization.

612353216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568031 (or 9568021 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 612353216 is about 24745.7716792182. The cubic root of 612353216 is about 849.1817805610.

The spelling of 612353216 in words is "six hundred twelve million, three hundred fifty-three thousand, two hundred sixteen".