258537023 has 2 divisors, whose sum is σ = 258537024. Its totient is φ = 258537022.

The previous prime is 258536977. The next prime is 258537049. The reversal of 258537023 is 320735852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258537023 - 2¹⁰ = 258535999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258530023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129268511 + 129268512.

It is an arithmetic number, because the mean of its divisors is an integer number (129268512).

Almost surely, 2^258537023 is an apocalyptic number.

258537023 is a deficient number, since it is larger than the sum of its proper divisors (1).

258537023 is an equidigital number, since it uses as much as digits as its factorization.

258537023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 258537023 is about 16079.0865101224. The cubic root of 258537023 is about 637.0510676569.

The spelling of 258537023 in words is "two hundred fifty-eight million, five hundred thirty-seven thousand, twenty-three".