522575401 has 4 divisors (see below), whose sum is σ = 539432704. Its totient is φ = 505718100.

The previous prime is 522575377. The next prime is 522575423. The reversal of 522575401 is 104575225.

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 522575401 - 2⁵ = 522575369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 16857271 = 522575401 / (5 + 2 + 2 + 5 + 7 + 5 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522575101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428605 + ... + 8428666.

It is an arithmetic number, because the mean of its divisors is an integer number (134858176).

Almost surely, 2^522575401 is an apocalyptic number.

It is an amenable number.

522575401 is a deficient number, since it is larger than the sum of its proper divisors (16857303).

522575401 is a wasteful number, since it uses less digits than its factorization.

522575401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857302.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 522575401 is about 22859.9081581707. The cubic root of 522575401 is about 805.4705277438.

The spelling of 522575401 in words is "five hundred twenty-two million, five hundred seventy-five thousand, four hundred one".