501042152 has 16 divisors (see below), whose sum is σ = 1011719940. Its totient is φ = 231250176.

The previous prime is 501042131. The next prime is 501042167. The reversal of 501042152 is 251240105.

It can be written as a sum of positive squares in 2 ways, for example, as 489028996 + 12013156 = 22114^2 + 3466^2 .

It is a super-2 number, since 2×501042152² = 502086476161582208, which contains 22 as substring.

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, 2408753 + ... + 2408960.

Almost surely, 2^501042152 is an apocalyptic number.

501042152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

501042152 is an abundant number, since it is smaller than the sum of its proper divisors (510677788).

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

501042152 is a wasteful number, since it uses less digits than its factorization.

501042152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817732 (or 4817728 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 501042152 is about 22383.9708720325. The cubic root of 501042152 is about 794.2515810329.

Adding to 501042152 its reverse (251240105), we get a palindrome (752282257).

The spelling of 501042152 in words is "five hundred one million, forty-two thousand, one hundred fifty-two".