253887587 has 2 divisors, whose sum is σ = 253887588. Its totient is φ = 253887586.

The previous prime is 253887581. The next prime is 253887611. The reversal of 253887587 is 785788352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253887587 - 2²⁴ = 237110371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253887581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126943793 + 126943794.

It is an arithmetic number, because the mean of its divisors is an integer number (126943794).

Almost surely, 2^253887587 is an apocalyptic number.

253887587 is a deficient number, since it is larger than the sum of its proper divisors (1).

253887587 is an equidigital number, since it uses as much as digits as its factorization.

253887587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3763200, while the sum is 53.

The square root of 253887587 is about 15933.8503507470. The cubic root of 253887587 is about 633.2091122637.

The spelling of 253887587 in words is "two hundred fifty-three million, eight hundred eighty-seven thousand, five hundred eighty-seven".