252541489 has 2 divisors, whose sum is σ = 252541490. Its totient is φ = 252541488.

The previous prime is 252541463. The next prime is 252541493. The reversal of 252541489 is 984145252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172134400 + 80407089 = 13120^2 + 8967^2 .

It is a cyclic number.

It is not a de Polignac number, because 252541489 - 2¹⁵ = 252508721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252541439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126270744 + 126270745.

It is an arithmetic number, because the mean of its divisors is an integer number (126270745).

Almost surely, 2^252541489 is an apocalyptic number.

It is an amenable number.

252541489 is a deficient number, since it is larger than the sum of its proper divisors (1).

252541489 is an equidigital number, since it uses as much as digits as its factorization.

252541489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The square root of 252541489 is about 15891.5540146331. The cubic root of 252541489 is about 632.0880487072.

The spelling of 252541489 in words is "two hundred fifty-two million, five hundred forty-one thousand, four hundred eighty-nine".