252397296 has 80 divisors (see below), whose sum is σ = 733519520. Its totient is φ = 84120768.

The previous prime is 252397279. The next prime is 252397297. The reversal of 252397296 is 692793252.

It is a happy number.

252397296 is a `hidden beast` number, since 252 + 397 + 2 + 9 + 6 = 666.

252397296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252397296² = 127408790056223232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252397297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31386 + ... + 38598.

It is an arithmetic number, because the mean of its divisors is an integer number (9168994).

Almost surely, 2^252397296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252397296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366759760).

252397296 is an abundant number, since it is smaller than the sum of its proper divisors (481122224).

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

252397296 is an frugal number, since it uses more digits than its factorization.

252397296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242 (or 7218 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 252397296 is about 15887.0165858792. The cubic root of 252397296 is about 631.9677252118.

The spelling of 252397296 in words is "two hundred fifty-two million, three hundred ninety-seven thousand, two hundred ninety-six".