252508469 has 2 divisors, whose sum is σ = 252508470. Its totient is φ = 252508468.

The previous prime is 252508457. The next prime is 252508507. The reversal of 252508469 is 964805252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201214225 + 51294244 = 14185^2 + 7162^2 .

It is a cyclic number.

It is not a de Polignac number, because 252508469 - 2¹⁶ = 252442933 is a prime.

It is a super-2 number, since 2×252508469² = 127521053833447922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252508409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126254234 + 126254235.

It is an arithmetic number, because the mean of its divisors is an integer number (126254235).

Almost surely, 2^252508469 is an apocalyptic number.

It is an amenable number.

252508469 is a deficient number, since it is larger than the sum of its proper divisors (1).

252508469 is an equidigital number, since it uses as much as digits as its factorization.

252508469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 252508469 is about 15890.5150640248. The cubic root of 252508469 is about 632.0604988352.

The spelling of 252508469 in words is "two hundred fifty-two million, five hundred eight thousand, four hundred sixty-nine".