522552261 has 64 divisors (see below), whose sum is σ = 890929152. Its totient is φ = 264600000.

The previous prime is 522552241. The next prime is 522552263. The reversal of 522552261 is 162255225.

It is not a de Polignac number, because 522552261 - 2⁷ = 522552133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522552263) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2476446 + ... + 2476656.

It is an arithmetic number, because the mean of its divisors is an integer number (13920768).

Almost surely, 2^522552261 is an apocalyptic number.

It is an amenable number.

522552261 is a deficient number, since it is larger than the sum of its proper divisors (368376891).

522552261 is a wasteful number, since it uses less digits than its factorization.

522552261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its digits is 12000, while the sum is 30.

The square root of 522552261 is about 22859.4020262998. The cubic root of 522552261 is about 805.4586386378.

The spelling of 522552261 in words is "five hundred twenty-two million, five hundred fifty-two thousand, two hundred sixty-one".