522451612 has 12 divisors (see below), whose sum is σ = 914460120. Its totient is φ = 261177296.

The previous prime is 522451571. The next prime is 522451619. The reversal of 522451612 is 216154225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522451619) 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, 24183 + ... + 40369.

It is an arithmetic number, because the mean of its divisors is an integer number (76205010).

Almost surely, 2^522451612 is an apocalyptic number.

It is an amenable number.

522451612 is a deficient number, since it is larger than the sum of its proper divisors (392008508).

522451612 is a wasteful number, since it uses less digits than its factorization.

522451612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24260 (or 24258 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 522451612 is about 22857.2004409989. The cubic root of 522451612 is about 805.4069220804.

It can be divided in two parts, 5224516 and 12, that added together give a triangular number (5224528 = T₃₂₃₂).

The spelling of 522451612 in words is "five hundred twenty-two million, four hundred fifty-one thousand, six hundred twelve".