252543097 has 2 divisors, whose sum is σ = 252543098. Its totient is φ = 252543096.

The previous prime is 252543073. The next prime is 252543101. The reversal of 252543097 is 790345252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163353961 + 89189136 = 12781^2 + 9444^2 .

It is a cyclic number.

It is not a de Polignac number, because 252543097 - 2¹¹ = 252541049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252543037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126271548 + 126271549.

It is an arithmetic number, because the mean of its divisors is an integer number (126271549).

Almost surely, 2^252543097 is an apocalyptic number.

It is an amenable number.

252543097 is a deficient number, since it is larger than the sum of its proper divisors (1).

252543097 is an equidigital number, since it uses as much as digits as its factorization.

252543097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 252543097 is about 15891.6046074649. The cubic root of 252543097 is about 632.0893902629.

The spelling of 252543097 in words is "two hundred fifty-two million, five hundred forty-three thousand, ninety-seven".