501521316 has 48 divisors (see below), whose sum is σ = 1182924288. Its totient is φ = 165369600.

The previous prime is 501521303. The next prime is 501521323. The reversal of 501521316 is 613125105.

It is a super-3 number, since 3×501521316³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505581 + ... + 506571.

It is an arithmetic number, because the mean of its divisors is an integer number (24644256).

Almost surely, 2^501521316 is an apocalyptic number.

It is an amenable number.

501521316 is an abundant number, since it is smaller than the sum of its proper divisors (681402972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501521316 is a wasteful number, since it uses less digits than its factorization.

501521316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 501521316 is about 22394.6715983959. The cubic root of 501521316 is about 794.5046904821.

The spelling of 501521316 in words is "five hundred one million, five hundred twenty-one thousand, three hundred sixteen".