612957 has 4 divisors (see below), whose sum is σ = 817280. Its totient is φ = 408636.

The previous prime is 612947. The next prime is 612967. The reversal of 612957 is 759216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (612947) and next prime (612967).

It is not a de Polignac number, because 612957 - 2¹⁴ = 596573 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102157 + ... + 102162.

It is an arithmetic number, because the mean of its divisors is an integer number (204320).

2⁶¹²⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

612957 is a deficient number, since it is larger than the sum of its proper divisors (204323).

612957 is a wasteful number, since it uses less digits than its factorization.

612957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204322.

The product of its digits is 3780, while the sum is 30.

The square root of 612957 is about 782.9157042747. The cubic root of 612957 is about 84.9460788349.

The spelling of 612957 in words is "six hundred twelve thousand, nine hundred fifty-seven".