252401241 has 24 divisors (see below), whose sum is σ = 355955040. Its totient is φ = 159054016.

The previous prime is 252401231. The next prime is 252401249. The reversal of 252401241 is 142104252.

It is not a de Polignac number, because 252401241 - 2⁷ = 252401113 is a prime.

It is a super-3 number, since 3×252401241³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252401249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140350 + ... + 142136.

It is an arithmetic number, because the mean of its divisors is an integer number (14831460).

Almost surely, 2^252401241 is an apocalyptic number.

It is an amenable number.

252401241 is a deficient number, since it is larger than the sum of its proper divisors (103553799).

252401241 is a wasteful number, since it uses less digits than its factorization.

252401241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 252401241 is about 15887.1407433811. The cubic root of 252401241 is about 631.9710177718.

Adding to 252401241 its reverse (142104252), we get a palindrome (394505493).

The spelling of 252401241 in words is "two hundred fifty-two million, four hundred one thousand, two hundred forty-one".