612250331 has 16 divisors (see below), whose sum is σ = 768023808. Its totient is φ = 474141600.

The previous prime is 612250321. The next prime is 612250333. The reversal of 612250331 is 133052216.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612250331 is a prime.

It is a super-2 number, since 2×612250331² = 749700935619219122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612250297 and 612250306.

It is not an unprimeable number, because it can be changed into a prime (612250333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11840 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (48001488).

Almost surely, 2^612250331 is an apocalyptic number.

612250331 is a deficient number, since it is larger than the sum of its proper divisors (155773477).

612250331 is a wasteful number, since it uses less digits than its factorization.

612250331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48962.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 612250331 is about 24743.6927518913. The cubic root of 612250331 is about 849.1342192523.

The spelling of 612250331 in words is "six hundred twelve million, two hundred fifty thousand, three hundred thirty-one".