252717503 has 4 divisors (see below), whose sum is σ = 252754320. Its totient is φ = 252680688.

The previous prime is 252717497. The next prime is 252717539. The reversal of 252717503 is 305717252.

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 252717503 - 2⁸ = 252717247 is a prime.

It is a super-2 number, since 2×252717503² = 127732272645110018, which contains 22 as substring.

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 252717503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252710503) 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, 4718 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (63188580).

Almost surely, 2^252717503 is an apocalyptic number.

252717503 is a deficient number, since it is larger than the sum of its proper divisors (36817).

252717503 is an equidigital number, since it uses as much as digits as its factorization.

252717503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36816.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 252717503 is about 15897.0910232030. The cubic root of 252717503 is about 632.2348635385.

The spelling of 252717503 in words is "two hundred fifty-two million, seven hundred seventeen thousand, five hundred three".