252530503 has 2 divisors, whose sum is σ = 252530504. Its totient is φ = 252530502.

The previous prime is 252530489. The next prime is 252530519. The reversal of 252530503 is 305035252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252530503 - 2⁵ = 252530471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252530543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126265251 + 126265252.

It is an arithmetic number, because the mean of its divisors is an integer number (126265252).

Almost surely, 2^252530503 is an apocalyptic number.

252530503 is a deficient number, since it is larger than the sum of its proper divisors (1).

252530503 is an equidigital number, since it uses as much as digits as its factorization.

252530503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 252530503 is about 15891.2083555657. The cubic root of 252530503 is about 632.0788829261.

Adding to 252530503 its reverse (305035252), we get a palindrome (557565755).

The spelling of 252530503 in words is "two hundred fifty-two million, five hundred thirty thousand, five hundred three".