258295369 has 2 divisors, whose sum is σ = 258295370. Its totient is φ = 258295368.

The previous prime is 258295363. The next prime is 258295391. The reversal of 258295369 is 963592852.

It is a happy number.

258295369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153437769 + 104857600 = 12387^2 + 10240^2 .

It is a cyclic number.

It is not a de Polignac number, because 258295369 - 2⁷ = 258295241 is a prime.

It is a super-2 number, since 2×258295369² = 133432995293692322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258295363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129147684 + 129147685.

It is an arithmetic number, because the mean of its divisors is an integer number (129147685).

Almost surely, 2^258295369 is an apocalyptic number.

It is an amenable number.

258295369 is a deficient number, since it is larger than the sum of its proper divisors (1).

258295369 is an equidigital number, since it uses as much as digits as its factorization.

258295369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 49.

The square root of 258295369 is about 16071.5702095346. The cubic root of 258295369 is about 636.8525223626.

The spelling of 258295369 in words is "two hundred fifty-eight million, two hundred ninety-five thousand, three hundred sixty-nine".