252438441 has 32 divisors (see below), whose sum is σ = 351267840. Its totient is φ = 161179200.

The previous prime is 252438413. The next prime is 252438449. The reversal of 252438441 is 144834252.

It is not a de Polignac number, because 252438441 - 2⁶ = 252438377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252438449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926946 + ... + 1927076.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^252438441 is an apocalyptic number.

It is an amenable number.

252438441 is a deficient number, since it is larger than the sum of its proper divisors (98829399).

252438441 is a wasteful number, since it uses less digits than its factorization.

252438441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 30720, while the sum is 33.

The square root of 252438441 is about 15888.3114584275. The cubic root of 252438441 is about 632.0020637985.

The spelling of 252438441 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, four hundred forty-one".