612523275 has 72 divisors (see below), whose sum is σ = 1268762544. Its totient is φ = 258451200.

The previous prime is 612523259. The next prime is 612523291. The reversal of 612523275 is 572325216.

It is an interprime number because it is at equal distance from previous prime (612523259) and next prime (612523291).

It is not a de Polignac number, because 612523275 - 2⁴ = 612523259 is a prime.

It is a hoax number, since the sum of its digits (33) 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 71 ways as a sum of consecutive naturals, for example, 41365 + ... + 54185.

It is an arithmetic number, because the mean of its divisors is an integer number (17621702).

Almost surely, 2^612523275 is an apocalyptic number.

612523275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

612523275 is an abundant number, since it is smaller than the sum of its proper divisors (656239269).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612523275 is a wasteful number, since it uses less digits than its factorization.

612523275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12861 (or 12849 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 612523275 is about 24749.2075630716. The cubic root of 612523275 is about 849.2603831466.

The spelling of 612523275 in words is "six hundred twelve million, five hundred twenty-three thousand, two hundred seventy-five".