252630363 has 4 divisors (see below), whose sum is σ = 336840488. Its totient is φ = 168420240.

The previous prime is 252630359. The next prime is 252630407. The reversal of 252630363 is 363036252.

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

It is not a de Polignac number, because 252630363 - 2² = 252630359 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 252630363.

It is not an unprimeable number, because it can be changed into a prime (252630163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42105058 + ... + 42105063.

It is an arithmetic number, because the mean of its divisors is an integer number (84210122).

Almost surely, 2^252630363 is an apocalyptic number.

252630363 is a deficient number, since it is larger than the sum of its proper divisors (84210125).

252630363 is an equidigital number, since it uses as much as digits as its factorization.

252630363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84210124.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 252630363 is about 15894.3500338957. The cubic root of 252630363 is about 632.1621878185.

The spelling of 252630363 in words is "two hundred fifty-two million, six hundred thirty thousand, three hundred sixty-three".