501366252 has 12 divisors (see below), whose sum is σ = 1169854616. Its totient is φ = 167122080.

The previous prime is 501366241. The next prime is 501366331. The reversal of 501366252 is 252663105.

It is a tau number, because it is divible by the number of its divisors (12).

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, 20890249 + ... + 20890272.

Almost surely, 2^501366252 is an apocalyptic number.

It is an amenable number.

501366252 is an abundant number, since it is smaller than the sum of its proper divisors (668488364).

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

501366252 is a wasteful number, since it uses less digits than its factorization.

501366252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41780528 (or 41780526 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 501366252 is about 22391.2092572063. The cubic root of 501366252 is about 794.4227984662.

The spelling of 501366252 in words is "five hundred one million, three hundred sixty-six thousand, two hundred fifty-two".