258911131 has 2 divisors, whose sum is σ = 258911132. Its totient is φ = 258911130.

The previous prime is 258911129. The next prime is 258911141. The reversal of 258911131 is 131119852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258911131 - 2¹ = 258911129 is a prime.

It is a super-2 number, since 2×258911131² = 134069947511398322, which contains 22 as substring.

Together with 258911129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 258911093 and 258911102.

It is not a weakly prime, because it can be changed into another prime (258911141) 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, 129455565 + 129455566.

It is an arithmetic number, because the mean of its divisors is an integer number (129455566).

Almost surely, 2^258911131 is an apocalyptic number.

258911131 is a deficient number, since it is larger than the sum of its proper divisors (1).

258911131 is an equidigital number, since it uses as much as digits as its factorization.

258911131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 31.

The square root of 258911131 is about 16090.7156770605. The cubic root of 258911131 is about 637.3581945773.

The spelling of 258911131 in words is "two hundred fifty-eight million, nine hundred eleven thousand, one hundred thirty-one".