252425144 has 16 divisors (see below), whose sum is σ = 474396720. Its totient is φ = 125919360.

The previous prime is 252425123. The next prime is 252425149. The reversal of 252425144 is 441524252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252425149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32972 + ... + 39899.

It is an arithmetic number, because the mean of its divisors is an integer number (29649795).

Almost surely, 2^252425144 is an apocalyptic number.

It is an amenable number.

252425144 is a deficient number, since it is larger than the sum of its proper divisors (221971576).

252425144 is a wasteful number, since it uses less digits than its factorization.

252425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73310 (or 73306 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 252425144 is about 15887.8930006468. The cubic root of 252425144 is about 631.9909668634.

Adding to 252425144 its reverse (441524252), we get a palindrome (693949396).

The spelling of 252425144 in words is "two hundred fifty-two million, four hundred twenty-five thousand, one hundred forty-four".