523151345 has 16 divisors (see below), whose sum is σ = 636083280. Its totient is φ = 413005824.

The previous prime is 523151327. The next prime is 523151371. The reversal of 523151345 is 543151325.

It can be written as a sum of positive squares in 8 ways, for example, as 82319329 + 440832016 = 9073^2 + 20996^2 .

It is a cyclic number.

It is not a de Polignac number, because 523151345 - 2⁶ = 523151281 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 336089 + ... + 337641.

It is an arithmetic number, because the mean of its divisors is an integer number (39755205).

Almost surely, 2^523151345 is an apocalyptic number.

It is an amenable number.

523151345 is a deficient number, since it is larger than the sum of its proper divisors (112931935).

523151345 is a wasteful number, since it uses less digits than its factorization.

523151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its digits is 9000, while the sum is 29.

The square root of 523151345 is about 22872.5019401027. The cubic root of 523151345 is about 805.7663291366.

The spelling of 523151345 in words is "five hundred twenty-three million, one hundred fifty-one thousand, three hundred forty-five".