252345446 has 4 divisors (see below), whose sum is σ = 378518172. Its totient is φ = 126172722.

The previous prime is 252345437. The next prime is 252345449. The reversal of 252345446 is 644543252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252345449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63086360 + ... + 63086363.

It is an arithmetic number, because the mean of its divisors is an integer number (94629543).

Almost surely, 2^252345446 is an apocalyptic number.

252345446 is a deficient number, since it is larger than the sum of its proper divisors (126172726).

252345446 is a wasteful number, since it uses less digits than its factorization.

252345446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126172725.

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

The square root of 252345446 is about 15885.3846664159. The cubic root of 252345446 is about 631.9244471853.

Adding to 252345446 its reverse (644543252), we get a palindrome (896888698).

The spelling of 252345446 in words is "two hundred fifty-two million, three hundred forty-five thousand, four hundred forty-six".