253983287 has 2 divisors, whose sum is σ = 253983288. Its totient is φ = 253983286.

The previous prime is 253983277. The next prime is 253983293. The reversal of 253983287 is 782389352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253983287 - 2²⁶ = 186874423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253983277) 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, 126991643 + 126991644.

It is an arithmetic number, because the mean of its divisors is an integer number (126991644).

Almost surely, 2^253983287 is an apocalyptic number.

253983287 is a deficient number, since it is larger than the sum of its proper divisors (1).

253983287 is an equidigital number, since it uses as much as digits as its factorization.

253983287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 253983287 is about 15936.8531084402. The cubic root of 253983287 is about 633.2886625618.

The spelling of 253983287 in words is "two hundred fifty-three million, nine hundred eighty-three thousand, two hundred eighty-seven".