253586987 has 2 divisors, whose sum is σ = 253586988. Its totient is φ = 253586986.

The previous prime is 253586969. The next prime is 253586989. The reversal of 253586987 is 789685352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253586987 - 2⁶ = 253586923 is a prime.

Together with 253586989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253586989) 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, 126793493 + 126793494.

It is an arithmetic number, because the mean of its divisors is an integer number (126793494).

Almost surely, 2^253586987 is an apocalyptic number.

253586987 is a deficient number, since it is larger than the sum of its proper divisors (1).

253586987 is an equidigital number, since it uses as much as digits as its factorization.

253586987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 253586987 is about 15924.4148087143. The cubic root of 253586987 is about 632.9591094547.

The spelling of 253586987 in words is "two hundred fifty-three million, five hundred eighty-six thousand, nine hundred eighty-seven".