252100503 has 6 divisors (see below), whose sum is σ = 364145184. Its totient is φ = 168066996.

The previous prime is 252100477. The next prime is 252100507. The reversal of 252100503 is 305001252.

It is a happy number.

It is not a de Polignac number, because 252100503 - 2¹³ = 252092311 is a prime.

It is a super-2 number, since 2×252100503² = 127109327225706018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252100507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14005575 + ... + 14005592.

It is an arithmetic number, because the mean of its divisors is an integer number (60690864).

Almost surely, 2^252100503 is an apocalyptic number.

252100503 is a deficient number, since it is larger than the sum of its proper divisors (112044681).

252100503 is a wasteful number, since it uses less digits than its factorization.

252100503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28011173 (or 28011170 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 252100503 is about 15877.6730977810. The cubic root of 252100503 is about 631.7199185904.

Adding to 252100503 its reverse (305001252), we get a palindrome (557101755).

The spelling of 252100503 in words is "two hundred fifty-two million, one hundred thousand, five hundred three".