521463230 has 16 divisors (see below), whose sum is σ = 940870944. Its totient is φ = 208088160.

The previous prime is 521463203. The next prime is 521463233. The reversal of 521463230 is 32364125.

It is a self number, because there is not a number n which added to its sum of digits gives 521463230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521463233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57722 + ... + 66141.

It is an arithmetic number, because the mean of its divisors is an integer number (58804434).

Almost surely, 2^521463230 is an apocalyptic number.

521463230 is a deficient number, since it is larger than the sum of its proper divisors (419407714).

521463230 is a wasteful number, since it uses less digits than its factorization.

521463230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124291.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 521463230 is about 22835.5694038927. The cubic root of 521463230 is about 804.8987077262.

The spelling of 521463230 in words is "five hundred twenty-one million, four hundred sixty-three thousand, two hundred thirty".