252212532 has 48 divisors (see below), whose sum is σ = 691384512. Its totient is φ = 70548480.

The previous prime is 252212509. The next prime is 252212539. The reversal of 252212532 is 235212252.

It is a super-2 number, since 2×252212532² = 127222322595702048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252212539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71773 + ... + 75204.

It is an arithmetic number, because the mean of its divisors is an integer number (14403844).

Almost surely, 2^252212532 is an apocalyptic number.

252212532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252212532 is an abundant number, since it is smaller than the sum of its proper divisors (439171980).

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

252212532 is a wasteful number, since it uses less digits than its factorization.

252212532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147008 (or 147006 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 252212532 is about 15881.2005843387. The cubic root of 252212532 is about 631.8134797818.

Adding to 252212532 its reverse (235212252), we get a palindrome (487424784).

The spelling of 252212532 in words is "two hundred fifty-two million, two hundred twelve thousand, five hundred thirty-two".