258485113 has 2 divisors, whose sum is σ = 258485114. Its totient is φ = 258485112.

The previous prime is 258485111. The next prime is 258485209. The reversal of 258485113 is 311584852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256256064 + 2229049 = 16008^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 258485113 - 2¹ = 258485111 is a prime.

Together with 258485111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (258485111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129242556 + 129242557.

It is an arithmetic number, because the mean of its divisors is an integer number (129242557).

Almost surely, 2^258485113 is an apocalyptic number.

It is an amenable number.

258485113 is a deficient number, since it is larger than the sum of its proper divisors (1).

258485113 is an equidigital number, since it uses as much as digits as its factorization.

258485113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 37.

The square root of 258485113 is about 16077.4722204705. The cubic root of 258485113 is about 637.0084283293.

The spelling of 258485113 in words is "two hundred fifty-eight million, four hundred eighty-five thousand, one hundred thirteen".