252425145 has 32 divisors (see below), whose sum is σ = 467435520. Its totient is φ = 113929920.

The previous prime is 252425123. The next prime is 252425149. The reversal of 252425145 is 541524252.

It is not a de Polignac number, because 252425145 - 2¹¹ = 252423097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252425149) 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, 6921 + ... + 23510.

It is an arithmetic number, because the mean of its divisors is an integer number (14607360).

Almost surely, 2^252425145 is an apocalyptic number.

It is an amenable number.

252425145 is a deficient number, since it is larger than the sum of its proper divisors (215010375).

252425145 is a wasteful number, since it uses less digits than its factorization.

252425145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30525.

The product of its digits is 16000, while the sum is 30.

The square root of 252425145 is about 15887.8930321173. The cubic root of 252425145 is about 631.9909676979.

Adding to 252425145 its reverse (541524252), we get a palindrome (793949397).

The spelling of 252425145 in words is "two hundred fifty-two million, four hundred twenty-five thousand, one hundred forty-five".