252131303 has 2 divisors, whose sum is σ = 252131304. Its totient is φ = 252131302.

The previous prime is 252131291. The next prime is 252131323. The reversal of 252131303 is 303131252.

It is an a-pointer prime, because the next prime (252131323) can be obtained adding 252131303 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252131303 - 2⁴ = 252131287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252131323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126065651 + 126065652.

It is an arithmetic number, because the mean of its divisors is an integer number (126065652).

Almost surely, 2^252131303 is an apocalyptic number.

252131303 is a deficient number, since it is larger than the sum of its proper divisors (1).

252131303 is an equidigital number, since it uses as much as digits as its factorization.

252131303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 252131303 is about 15878.6429835802. The cubic root of 252131303 is about 631.7456440199.

Adding to 252131303 its reverse (303131252), we get a palindrome (555262555).

The spelling of 252131303 in words is "two hundred fifty-two million, one hundred thirty-one thousand, three hundred three".