258380531 has 2 divisors, whose sum is σ = 258380532. Its totient is φ = 258380530.

The previous prime is 258380527. The next prime is 258380599. The reversal of 258380531 is 135083852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258380531 - 2² = 258380527 is a prime.

It is a super-2 number, since 2×258380531² = 133520997599683922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 258380491 and 258380500.

It is not a weakly prime, because it can be changed into another prime (258380131) 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, 129190265 + 129190266.

It is an arithmetic number, because the mean of its divisors is an integer number (129190266).

Almost surely, 2^258380531 is an apocalyptic number.

258380531 is a deficient number, since it is larger than the sum of its proper divisors (1).

258380531 is an equidigital number, since it uses as much as digits as its factorization.

258380531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 258380531 is about 16074.2194522782. The cubic root of 258380531 is about 636.9225064215.

The spelling of 258380531 in words is "two hundred fifty-eight million, three hundred eighty thousand, five hundred thirty-one".