612795261 has 16 divisors (see below), whose sum is σ = 886249280. Its totient is φ = 374388480.

The previous prime is 612795241. The next prime is 612795263. The reversal of 612795261 is 162597216.

It is not a de Polignac number, because 612795261 - 2¹⁴ = 612778877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612795263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51100 + ... + 61941.

It is an arithmetic number, because the mean of its divisors is an integer number (55390580).

Almost surely, 2^612795261 is an apocalyptic number.

It is an amenable number.

612795261 is a deficient number, since it is larger than the sum of its proper divisors (273454019).

612795261 is a wasteful number, since it uses less digits than its factorization.

612795261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113196.

The product of its digits is 45360, while the sum is 39.

The square root of 612795261 is about 24754.7017958205. The cubic root of 612795261 is about 849.3860669440.

The spelling of 612795261 in words is "six hundred twelve million, seven hundred ninety-five thousand, two hundred sixty-one".