252513353 has 4 divisors (see below), whose sum is σ = 261220740. Its totient is φ = 243805968.

The previous prime is 252513347. The next prime is 252513367. The reversal of 252513353 is 353315252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87853129 + 164660224 = 9373^2 + 12832^2 .

It is a cyclic number.

It is not a de Polignac number, because 252513353 - 2⁴ = 252513337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 8707357 = 252513353 / (2 + 5 + 2 + 5 + 1 + 3 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252513323) 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, 4353650 + ... + 4353707.

It is an arithmetic number, because the mean of its divisors is an integer number (65305185).

Almost surely, 2^252513353 is an apocalyptic number.

It is an amenable number.

252513353 is a deficient number, since it is larger than the sum of its proper divisors (8707387).

252513353 is an equidigital number, since it uses as much as digits as its factorization.

252513353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707386.

The product of its digits is 13500, while the sum is 29.

The square root of 252513353 is about 15890.6687398611. The cubic root of 252513353 is about 632.0645738979.

The spelling of 252513353 in words is "two hundred fifty-two million, five hundred thirteen thousand, three hundred fifty-three".