252620087 has 2 divisors, whose sum is σ = 252620088. Its totient is φ = 252620086.

The previous prime is 252620057. The next prime is 252620111. The reversal of 252620087 is 780026252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252620087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252620057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126310043 + 126310044.

It is an arithmetic number, because the mean of its divisors is an integer number (126310044).

Almost surely, 2^252620087 is an apocalyptic number.

252620087 is a deficient number, since it is larger than the sum of its proper divisors (1).

252620087 is an equidigital number, since it uses as much as digits as its factorization.

252620087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 252620087 is about 15894.0267710860. The cubic root of 252620087 is about 632.1536164198.

The spelling of 252620087 in words is "two hundred fifty-two million, six hundred twenty thousand, eighty-seven".