100505252 has 12 divisors (see below), whose sum is σ = 176003100. Its totient is φ = 50218656.

The previous prime is 100505243. The next prime is 100505287. The reversal of 100505252 is 252505001.

It can be written as a sum of positive squares in 2 ways, for example, as 14868736 + 85636516 = 3856^2 + 9254^2 .

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, 1127 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (14666925).

Almost surely, 2^100505252 is an apocalyptic number.

It is an amenable number.

100505252 is a deficient number, since it is larger than the sum of its proper divisors (75497848).

100505252 is a wasteful number, since it uses less digits than its factorization.

100505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16990 (or 16988 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 100505252 is about 10025.2307704112. The cubic root of 100505252 is about 464.9392944994.

The spelling of 100505252 in words is "one hundred million, five hundred five thousand, two hundred fifty-two".