252001513 has 4 divisors (see below), whose sum is σ = 252417280. Its totient is φ = 251585748.

The previous prime is 252001493. The next prime is 252001537. The reversal of 252001513 is 315100252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252001513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252001613) 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, 206973 + ... + 208186.

It is an arithmetic number, because the mean of its divisors is an integer number (63104320).

Almost surely, 2^252001513 is an apocalyptic number.

It is an amenable number.

252001513 is a deficient number, since it is larger than the sum of its proper divisors (415767).

252001513 is an equidigital number, since it uses as much as digits as its factorization.

252001513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415766.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 252001513 is about 15874.5555213367. Note that the first 4 decimals coincide. The cubic root of 252001513 is about 631.6372238705.

Adding to 252001513 its reverse (315100252), we get a palindrome (567101765).

The spelling of 252001513 in words is "two hundred fifty-two million, one thousand, five hundred thirteen".