522623452 has 48 divisors (see below), whose sum is σ = 1051075872. Its totient is φ = 225239040.

The previous prime is 522623449. The next prime is 522623461. The reversal of 522623452 is 254326225.

522623452 is nontrivially palindromic in base 5.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113548 + ... + 118060.

It is an arithmetic number, because the mean of its divisors is an integer number (21897414).

Almost surely, 2^522623452 is an apocalyptic number.

522623452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

522623452 is an abundant number, since it is smaller than the sum of its proper divisors (528452420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522623452 is a wasteful number, since it uses less digits than its factorization.

522623452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678 (or 4676 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 522623452 is about 22860.9591224865. The cubic root of 522623452 is about 805.4952147575.

Adding to 522623452 its reverse (254326225), we get a palindrome (776949677).

The spelling of 522623452 in words is "five hundred twenty-two million, six hundred twenty-three thousand, four hundred fifty-two".