522001252 has 48 divisors (see below), whose sum is σ = 996589440. Its totient is φ = 238275072.

The previous prime is 522001213. The next prime is 522001273. The reversal of 522001252 is 252100225.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487774 + ... + 488842.

It is an arithmetic number, because the mean of its divisors is an integer number (20762280).

Almost surely, 2^522001252 is an apocalyptic number.

It is an amenable number.

522001252 is a deficient number, since it is larger than the sum of its proper divisors (474588188).

522001252 is a wasteful number, since it uses less digits than its factorization.

522001252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 522001252 is about 22847.3467168510. The cubic root of 522001252 is about 805.1754318479.

Adding to 522001252 its reverse (252100225), we get a palindrome (774101477).

The spelling of 522001252 in words is "five hundred twenty-two million, one thousand, two hundred fifty-two".