612313641 has 8 divisors (see below), whose sum is σ = 907131360. Its totient is φ = 408209076.

The previous prime is 612313601. The next prime is 612313673. The reversal of 612313641 is 146313216.

612313641 is a `hidden beast` number, since 6 + 1 + 2 + 3 + 13 + 641 = 666.

612313641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612313641 - 2⁶ = 612313577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 22678283 = 612313641 / (6 + 1 + 2 + 3 + 1 + 3 + 6 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (612313601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11339115 + ... + 11339168.

It is an arithmetic number, because the mean of its divisors is an integer number (113391420).

Almost surely, 2^612313641 is an apocalyptic number.

It is an amenable number.

612313641 is a deficient number, since it is larger than the sum of its proper divisors (294817719).

612313641 is a wasteful number, since it uses less digits than its factorization.

612313641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22678292 (or 22678286 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 612313641 is about 24744.9720347387. The cubic root of 612313641 is about 849.1634866025.

Adding to 612313641 its reverse (146313216), we get a palindrome (758626857).

The spelling of 612313641 in words is "six hundred twelve million, three hundred thirteen thousand, six hundred forty-one".