522345973 has 8 divisors (see below), whose sum is σ = 524787392. Its totient is φ = 519911136.

The previous prime is 522345953. The next prime is 522345977. The reversal of 522345973 is 379543225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 522345973 - 2²¹ = 520248821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522345977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221386 + ... + 223732.

It is an arithmetic number, because the mean of its divisors is an integer number (65598424).

Almost surely, 2^522345973 is an apocalyptic number.

It is an amenable number.

522345973 is a deficient number, since it is larger than the sum of its proper divisors (2441419).

522345973 is a wasteful number, since it uses less digits than its factorization.

522345973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291.

The product of its digits is 226800, while the sum is 40.

The square root of 522345973 is about 22854.8894768712. The cubic root of 522345973 is about 805.3526343626.

The spelling of 522345973 in words is "five hundred twenty-two million, three hundred forty-five thousand, nine hundred seventy-three".