252443456 has 14 divisors (see below), whose sum is σ = 500942610. Its totient is φ = 126221696.

The previous prime is 252443453. The next prime is 252443467. The reversal of 252443456 is 654344252.

It can be written as a sum of positive squares in only one way, i.e., 207821056 + 44622400 = 14416^2 + 6680^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252443453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972151 + ... + 1972278.

It is an arithmetic number, because the mean of its divisors is an integer number (35781615).

Almost surely, 2^252443456 is an apocalyptic number.

It is an amenable number.

252443456 is a deficient number, since it is larger than the sum of its proper divisors (248499154).

252443456 is an equidigital number, since it uses as much as digits as its factorization.

252443456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944441 (or 3944431 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 252443456 is about 15888.4692780645. The cubic root of 252443456 is about 632.0062489368.

The spelling of 252443456 in words is "two hundred fifty-two million, four hundred forty-three thousand, four hundred fifty-six".