521295470 has 8 divisors (see below), whose sum is σ = 938331864. Its totient is φ = 208518184.

The previous prime is 521295469. The next prime is 521295491. The reversal of 521295470 is 74592125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 521295470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26064764 + ... + 26064783.

It is an arithmetic number, because the mean of its divisors is an integer number (117291483).

Almost surely, 2^521295470 is an apocalyptic number.

521295470 is a deficient number, since it is larger than the sum of its proper divisors (417036394).

521295470 is a wasteful number, since it uses less digits than its factorization.

521295470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52129554.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 521295470 is about 22831.8958914935. The cubic root of 521295470 is about 804.8123837810.

The spelling of 521295470 in words is "five hundred twenty-one million, two hundred ninety-five thousand, four hundred seventy".