258025331 has 2 divisors, whose sum is σ = 258025332. Its totient is φ = 258025330.

The previous prime is 258025321. The next prime is 258025357. The reversal of 258025331 is 133520852.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258025331 is a prime.

It is a super-2 number, since 2×258025331² = 133154142875319122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 258025294 and 258025303.

It is not a weakly prime, because it can be changed into another prime (258025321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129012665 + 129012666.

It is an arithmetic number, because the mean of its divisors is an integer number (129012666).

Almost surely, 2^258025331 is an apocalyptic number.

258025331 is a deficient number, since it is larger than the sum of its proper divisors (1).

258025331 is an equidigital number, since it uses as much as digits as its factorization.

258025331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 258025331 is about 16063.1669044432. The cubic root of 258025331 is about 636.6305099331.

The spelling of 258025331 in words is "two hundred fifty-eight million, twenty-five thousand, three hundred thirty-one".