252641503 has 2 divisors, whose sum is σ = 252641504. Its totient is φ = 252641502.

The previous prime is 252641381. The next prime is 252641507. The reversal of 252641503 is 305146252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252641503 - 2⁹ = 252640991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252641507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126320751 + 126320752.

It is an arithmetic number, because the mean of its divisors is an integer number (126320752).

Almost surely, 2^252641503 is an apocalyptic number.

252641503 is a deficient number, since it is larger than the sum of its proper divisors (1).

252641503 is an equidigital number, since it uses as much as digits as its factorization.

252641503 is an odious number, because the sum of its binary digits is odd.

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

The square root of 252641503 is about 15894.7004690243. The cubic root of 252641503 is about 632.1714796328.

Adding to 252641503 its reverse (305146252), we get a palindrome (557787755).

The spelling of 252641503 in words is "two hundred fifty-two million, six hundred forty-one thousand, five hundred three".