501552252 has 18 divisors (see below), whose sum is σ = 1267812728. Its totient is φ = 167184072.

The previous prime is 501552239. The next prime is 501552263. The reversal of 501552252 is 252255105.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×501552252² = 503109322972543008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6965968 + ... + 6966039.

Almost surely, 2^501552252 is an apocalyptic number.

It is an amenable number.

501552252 is an abundant number, since it is smaller than the sum of its proper divisors (766260476).

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

501552252 is a wasteful number, since it uses less digits than its factorization.

501552252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932017 (or 13932012 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 501552252 is about 22395.3622877595. The cubic root of 501552252 is about 794.5210263060.

The spelling of 501552252 in words is "five hundred one million, five hundred fifty-two thousand, two hundred fifty-two".