522531026 has 8 divisors (see below), whose sum is σ = 784195020. Its totient is φ = 261132688.

The previous prime is 522531013. The next prime is 522531029. The reversal of 522531026 is 620135225.

It can be written as a sum of positive squares in 2 ways, for example, as 392000401 + 130530625 = 19799^2 + 11425^2 .

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

It is a super-2 number, since 2×522531026² = 546077346265225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522530986 and 522531004.

It is not an unprimeable number, because it can be changed into a prime (522531029) 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, 61421 + ... + 69408.

Almost surely, 2^522531026 is an apocalyptic number.

522531026 is a deficient number, since it is larger than the sum of its proper divisors (261663994).

522531026 is a wasteful number, since it uses less digits than its factorization.

522531026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132828.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 522531026 is about 22858.9375518636. The cubic root of 522531026 is about 805.4477279933.

The spelling of 522531026 in words is "five hundred twenty-two million, five hundred thirty-one thousand, twenty-six".