612965 has 8 divisors (see below), whose sum is σ = 752928. Its totient is φ = 478800.

The previous prime is 612947. The next prime is 612967. The reversal of 612965 is 569216.

612965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-612965 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612967) 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, 1211 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (94116).

2⁶¹²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

612965 is a deficient number, since it is larger than the sum of its proper divisors (139963).

612965 is a wasteful number, since it uses less digits than its factorization.

612965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899.

The product of its digits is 3240, while the sum is 29.

The square root of 612965 is about 782.9208133649. The cubic root of 612965 is about 84.9464483908.

The spelling of 612965 in words is "six hundred twelve thousand, nine hundred sixty-five".