521472575 has 24 divisors (see below), whose sum is σ = 733026000. Its totient is φ = 364815360.

The previous prime is 521472571. The next prime is 521472587. The reversal of 521472575 is 575274125.

521472575 = 188² + 189² + ... + 1162².

It is not a de Polignac number, because 521472575 - 2² = 521472571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521472571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36050 + ... + 48399.

It is an arithmetic number, because the mean of its divisors is an integer number (30542750).

Almost surely, 2^521472575 is an apocalyptic number.

521472575 is a deficient number, since it is larger than the sum of its proper divisors (211553425).

521472575 is a wasteful number, since it uses less digits than its factorization.

521472575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84491 (or 84486 counting only the distinct ones).

The product of its digits is 98000, while the sum is 38.

The square root of 521472575 is about 22835.7740179745. The cubic root of 521472575 is about 804.9035158207.

The spelling of 521472575 in words is "five hundred twenty-one million, four hundred seventy-two thousand, five hundred seventy-five".