655294797 has 12 divisors (see below), whose sum is σ = 954914844. Its totient is φ = 432996480.

The previous prime is 655294723. The next prime is 655294823. The reversal of 655294797 is 797492556.

It can be written as a sum of positive squares in 2 ways, for example, as 32592681 + 622702116 = 5709^2 + 24954^2 .

It is not a de Polignac number, because 655294797 - 2⁷ = 655294669 is a prime.

It is a super-2 number, since 2×655294797² = 858822541950542418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655294897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321154 + ... + 323187.

It is an arithmetic number, because the mean of its divisors is an integer number (79576237).

Almost surely, 2^655294797 is an apocalyptic number.

It is an amenable number.

655294797 is a deficient number, since it is larger than the sum of its proper divisors (299620047).

655294797 is a wasteful number, since it uses less digits than its factorization.

655294797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644460 (or 644457 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The square root of 655294797 is about 25598.7264722290. The cubic root of 655294797 is about 868.5848296864.

The spelling of 655294797 in words is "six hundred fifty-five million, two hundred ninety-four thousand, seven hundred ninety-seven".