523874137 has 4 divisors (see below), whose sum is σ = 551446480. Its totient is φ = 496301796.

The previous prime is 523874129. The next prime is 523874147. The reversal of 523874137 is 731478325.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523874137 - 2³ = 523874129 is a prime.

It is a super-2 number, since 2×523874137² = 548888222834989538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523874137.

It is not an unprimeable number, because it can be changed into a prime (523874147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13786143 + ... + 13786180.

It is an arithmetic number, because the mean of its divisors is an integer number (137861620).

Almost surely, 2^523874137 is an apocalyptic number.

It is an amenable number.

523874137 is a deficient number, since it is larger than the sum of its proper divisors (27572343).

523874137 is a wasteful number, since it uses less digits than its factorization.

523874137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27572342.

The product of its digits is 141120, while the sum is 40.

The square root of 523874137 is about 22888.2969440717. The cubic root of 523874137 is about 806.1372437551.

The spelling of 523874137 in words is "five hundred twenty-three million, eight hundred seventy-four thousand, one hundred thirty-seven".