252130245 has 8 divisors (see below), whose sum is σ = 403408416. Its totient is φ = 134469456.

The previous prime is 252130243. The next prime is 252130261. The reversal of 252130245 is 542031252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252130245 - 2¹ = 252130243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252130243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8404327 + ... + 8404356.

It is an arithmetic number, because the mean of its divisors is an integer number (50426052).

Almost surely, 2^252130245 is an apocalyptic number.

It is an amenable number.

252130245 is a deficient number, since it is larger than the sum of its proper divisors (151278171).

252130245 is a wasteful number, since it uses less digits than its factorization.

252130245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16808691.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 252130245 is about 15878.6096683557. The cubic root of 252130245 is about 631.7447603694.

Adding to 252130245 its reverse (542031252), we get a palindrome (794161497).

The spelling of 252130245 in words is "two hundred fifty-two million, one hundred thirty thousand, two hundred forty-five".