612650 has 12 divisors (see below), whose sum is σ = 1139622. Its totient is φ = 245040.

The previous prime is 612649. The next prime is 612671. The reversal of 612650 is 56216.

It can be written as a sum of positive squares in 3 ways, for example, as 450241 + 162409 = 671^2 + 403^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6077 + ... + 6176.

2⁶¹²⁶⁵⁰ is an apocalyptic number.

612650 is a deficient number, since it is larger than the sum of its proper divisors (526972).

612650 is a wasteful number, since it uses less digits than its factorization.

612650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265 (or 12260 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 612650 is about 782.7196177432. The cubic root of 612650 is about 84.9318946962.

Adding to 612650 its reverse (56216), we get a palindrome (668866).

The spelling of 612650 in words is "six hundred twelve thousand, six hundred fifty".