252424216 has 32 divisors (see below), whose sum is σ = 527316480. Its totient is φ = 112295200.

The previous prime is 252424187. The next prime is 252424217. The reversal of 252424216 is 612424252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252424217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26380 + ... + 34651.

It is an arithmetic number, because the mean of its divisors is an integer number (16478640).

Almost surely, 2^252424216 is an apocalyptic number.

It is an amenable number.

252424216 is an abundant number, since it is smaller than the sum of its proper divisors (274892264).

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

252424216 is a wasteful number, since it uses less digits than its factorization.

252424216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61095 (or 61091 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 252424216 is about 15887.8637959922. The cubic root of 252424216 is about 631.9901923917.

Adding to 252424216 its reverse (612424252), we get a palindrome (864848468).

The spelling of 252424216 in words is "two hundred fifty-two million, four hundred twenty-four thousand, two hundred sixteen".