521960002 has 8 divisors (see below), whose sum is σ = 787927356. Its totient is φ = 259317552.

The previous prime is 521959943. The next prime is 521960069. The reversal of 521960002 is 200069125.

It can be written as a sum of positive squares in 2 ways, for example, as 505305441 + 16654561 = 22479^2 + 4081^2 .

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

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, 830833 + ... + 831460.

Almost surely, 2^521960002 is an apocalyptic number.

521960002 is a deficient number, since it is larger than the sum of its proper divisors (265967354).

521960002 is a wasteful number, since it uses less digits than its factorization.

521960002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662452.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 521960002 is about 22846.4439683728. The cubic root of 521960002 is about 805.1542222171.

The spelling of 521960002 in words is "five hundred twenty-one million, nine hundred sixty thousand, two".