522481669 has 4 divisors (see below), whose sum is σ = 522617344. Its totient is φ = 522345996.

The previous prime is 522481649. The next prime is 522481733. The reversal of 522481669 is 966184225.

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 522481669 - 2⁵ = 522481637 is a prime.

It is a super-2 number, since 2×522481669² = 545974188882051122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522481649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61887 + ... + 69820.

It is an arithmetic number, because the mean of its divisors is an integer number (130654336).

Almost surely, 2^522481669 is an apocalyptic number.

It is an amenable number.

522481669 is a deficient number, since it is larger than the sum of its proper divisors (135675).

522481669 is a wasteful number, since it uses less digits than its factorization.

522481669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135674.

The product of its digits is 207360, while the sum is 43.

The square root of 522481669 is about 22857.8579267612. The cubic root of 522481669 is about 805.4223669886.

The spelling of 522481669 in words is "five hundred twenty-two million, four hundred eighty-one thousand, six hundred sixty-nine".