521151352 has 8 divisors (see below), whose sum is σ = 977158800. Its totient is φ = 260575672.

The previous prime is 521151347. The next prime is 521151359. The reversal of 521151352 is 253151125.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521151359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32571952 + ... + 32571967.

It is an arithmetic number, because the mean of its divisors is an integer number (122144850).

Almost surely, 2^521151352 is an apocalyptic number.

It is an amenable number.

521151352 is a deficient number, since it is larger than the sum of its proper divisors (456007448).

521151352 is a wasteful number, since it uses less digits than its factorization.

521151352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65143925 (or 65143921 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 521151352 is about 22828.7396060317. The cubic root of 521151352 is about 804.7382104646.

The spelling of 521151352 in words is "five hundred twenty-one million, one hundred fifty-one thousand, three hundred fifty-two".