612063431 has 4 divisors (see below), whose sum is σ = 699501072. Its totient is φ = 524625792.

The previous prime is 612063421. The next prime is 612063443. The reversal of 612063431 is 134360216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612063431 - 2⁶ = 612063367 is a prime.

It is a super-2 number, since 2×612063431² = 749243287134983522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612063431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612063421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43718810 + ... + 43718823.

It is an arithmetic number, because the mean of its divisors is an integer number (174875268).

Almost surely, 2^612063431 is an apocalyptic number.

612063431 is a deficient number, since it is larger than the sum of its proper divisors (87437641).

612063431 is an equidigital number, since it uses as much as digits as its factorization.

612063431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87437640.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 612063431 is about 24739.9157435914. The cubic root of 612063431 is about 849.0478061577.

The spelling of 612063431 in words is "six hundred twelve million, sixty-three thousand, four hundred thirty-one".