252553523 has 4 divisors (see below), whose sum is σ = 252813000. Its totient is φ = 252294048.

The previous prime is 252553471. The next prime is 252553537. The reversal of 252553523 is 325355252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252553523 - 2⁸ = 252553267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252553523.

It is not an unprimeable number, because it can be changed into a prime (252553573) 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, 128273 + ... + 130226.

It is an arithmetic number, because the mean of its divisors is an integer number (63203250).

Almost surely, 2^252553523 is an apocalyptic number.

252553523 is a deficient number, since it is larger than the sum of its proper divisors (259477).

252553523 is an equidigital number, since it uses as much as digits as its factorization.

252553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259476.

The product of its digits is 45000, while the sum is 32.

The square root of 252553523 is about 15891.9326389209. The cubic root of 252553523 is about 632.0980885450.

The spelling of 252553523 in words is "two hundred fifty-two million, five hundred fifty-three thousand, five hundred twenty-three".