612574085 has 4 divisors (see below), whose sum is σ = 735088908. Its totient is φ = 490059264.

The previous prime is 612574069. The next prime is 612574103. The reversal of 612574085 is 580475216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63984001 + 548590084 = 7999^2 + 23422^2 .

It is a cyclic number.

It is not a de Polignac number, because 612574085 - 2⁴ = 612574069 is a prime.

It is a super-2 number, since 2×612574085² = 750494019227174450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 61257404 + ... + 61257413.

It is an arithmetic number, because the mean of its divisors is an integer number (183772227).

Almost surely, 2^612574085 is an apocalyptic number.

It is an amenable number.

612574085 is a deficient number, since it is larger than the sum of its proper divisors (122514823).

612574085 is a wasteful number, since it uses less digits than its factorization.

612574085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122514822.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 612574085 is about 24750.2340392975. The cubic root of 612574085 is about 849.2838650989.

The spelling of 612574085 in words is "six hundred twelve million, five hundred seventy-four thousand, eighty-five".