612530345 has 16 divisors (see below), whose sum is σ = 843720960. Its totient is φ = 418181184.

The previous prime is 612530339. The next prime is 612530393. The reversal of 612530345 is 543035216.

It is a cyclic number.

It is not a de Polignac number, because 612530345 - 2⁴ = 612530329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30197 + ... + 46226.

It is an arithmetic number, because the mean of its divisors is an integer number (52732560).

Almost surely, 2^612530345 is an apocalyptic number.

It is an amenable number.

612530345 is a deficient number, since it is larger than the sum of its proper divisors (231190615).

612530345 is a wasteful number, since it uses less digits than its factorization.

612530345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76664.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 612530345 is about 24749.3503955154. The cubic root of 612530345 is about 849.2636506403.

The spelling of 612530345 in words is "six hundred twelve million, five hundred thirty thousand, three hundred forty-five".