252416503 has 4 divisors (see below), whose sum is σ = 252459040. Its totient is φ = 252373968.

The previous prime is 252416491. The next prime is 252416543. The reversal of 252416503 is 305614252.

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 252416503 - 2⁵ = 252416471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252416543) 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, 10575 + ... + 24832.

It is an arithmetic number, because the mean of its divisors is an integer number (63114760).

Almost surely, 2^252416503 is an apocalyptic number.

252416503 is a deficient number, since it is larger than the sum of its proper divisors (42537).

252416503 is an equidigital number, since it uses as much as digits as its factorization.

252416503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42536.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 252416503 is about 15887.6210616945. The cubic root of 252416503 is about 631.9837553574.

The spelling of 252416503 in words is "two hundred fifty-two million, four hundred sixteen thousand, five hundred three".