522404045 has 4 divisors (see below), whose sum is σ = 626884860. Its totient is φ = 417923232.

The previous prime is 522404023. The next prime is 522404053. The reversal of 522404045 is 540404225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 313254601 + 209149444 = 17699^2 + 14462^2 .

It is a cyclic number.

It is not a de Polignac number, because 522404045 - 2⁸ = 522403789 is a prime.

It is a super-3 number, since 3×522404045³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52240400 + ... + 52240409.

It is an arithmetic number, because the mean of its divisors is an integer number (156721215).

Almost surely, 2^522404045 is an apocalyptic number.

It is an amenable number.

522404045 is a deficient number, since it is larger than the sum of its proper divisors (104480815).

522404045 is a wasteful number, since it uses less digits than its factorization.

522404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104480814.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 522404045 is about 22856.1598918103. The cubic root of 522404045 is about 805.3824783789.

The spelling of 522404045 in words is "five hundred twenty-two million, four hundred four thousand, forty-five".