612517023 has 12 divisors (see below), whose sum is σ = 886212288. Its totient is φ = 407668320.

The previous prime is 612517013. The next prime is 612517039. The reversal of 612517023 is 320715216.

It is a happy number.

It is not a de Polignac number, because 612517023 - 2⁴ = 612517007 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612517013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50598 + ... + 61523.

It is an arithmetic number, because the mean of its divisors is an integer number (73851024).

Almost surely, 2^612517023 is an apocalyptic number.

612517023 is a deficient number, since it is larger than the sum of its proper divisors (273695265).

612517023 is a wasteful number, since it uses less digits than its factorization.

612517023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112734 (or 112731 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 612517023 is about 24749.0812556749. The cubic root of 612517023 is about 849.2574936814.

The spelling of 612517023 in words is "six hundred twelve million, five hundred seventeen thousand, twenty-three".