612536245 has 4 divisors (see below), whose sum is σ = 735043500. Its totient is φ = 490028992.

The previous prime is 612536227. The next prime is 612536273. The reversal of 612536245 is 542635216.

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

It can be written as a sum of positive squares in 2 ways, for example, as 467164996 + 145371249 = 21614^2 + 12057^2 .

It is a cyclic number.

It is not a de Polignac number, because 612536245 - 2⁵ = 612536213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612536245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61253620 + ... + 61253629.

It is an arithmetic number, because the mean of its divisors is an integer number (183760875).

Almost surely, 2^612536245 is an apocalyptic number.

It is an amenable number.

612536245 is a deficient number, since it is larger than the sum of its proper divisors (122507255).

612536245 is a wasteful number, since it uses less digits than its factorization.

612536245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122507254.

The product of its digits is 43200, while the sum is 34.

The square root of 612536245 is about 24749.4695902761. The cubic root of 612536245 is about 849.2663773838.

The spelling of 612536245 in words is "six hundred twelve million, five hundred thirty-six thousand, two hundred forty-five".