252442325 has 12 divisors (see below), whose sum is σ = 314038308. Its totient is φ = 201302400.

The previous prime is 252442321. The next prime is 252442343. The reversal of 252442325 is 523244252.

It can be written as a sum of positive squares in 6 ways, for example, as 113060689 + 139381636 = 10633^2 + 11806^2 .

It is not a de Polignac number, because 252442325 - 2² = 252442321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252442321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8306 + ... + 23955.

It is an arithmetic number, because the mean of its divisors is an integer number (26169859).

Almost surely, 2^252442325 is an apocalyptic number.

252442325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252442325 is a deficient number, since it is larger than the sum of its proper divisors (61595983).

252442325 is a wasteful number, since it uses less digits than its factorization.

252442325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32584 (or 32579 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 252442325 is about 15888.4336861756. The cubic root of 252442325 is about 632.0053050949.

Adding to 252442325 its reverse (523244252), we get a palindrome (775686577).

The spelling of 252442325 in words is "two hundred fifty-two million, four hundred forty-two thousand, three hundred twenty-five".