252247512 has 32 divisors (see below), whose sum is σ = 687948480. Its totient is φ = 76438560.

The previous prime is 252247507. The next prime is 252247517. The reversal of 252247512 is 215742252.

It is an interprime number because it is at equal distance from previous prime (252247507) and next prime (252247517).

It is a self number, because there is not a number n which added to its sum of digits gives 252247512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252247517) 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, 477478 + ... + 478005.

It is an arithmetic number, because the mean of its divisors is an integer number (21498390).

Almost surely, 2^252247512 is an apocalyptic number.

252247512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252247512 is an abundant number, since it is smaller than the sum of its proper divisors (435700968).

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

252247512 is a wasteful number, since it uses less digits than its factorization.

252247512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955503 (or 955499 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 252247512 is about 15882.3018482838. The cubic root of 252247512 is about 631.8426877064.

Adding to 252247512 its reverse (215742252), we get a palindrome (467989764).

The spelling of 252247512 in words is "two hundred fifty-two million, two hundred forty-seven thousand, five hundred twelve".