258051641 has 2 divisors, whose sum is σ = 258051642. Its totient is φ = 258051640.

The previous prime is 258051623. The next prime is 258051707. The reversal of 258051641 is 146150852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 113955625 = 12004^2 + 10675^2 .

It is a cyclic number.

It is not a de Polignac number, because 258051641 - 2²⁶ = 190942777 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 258051598 and 258051607.

It is not a weakly prime, because it can be changed into another prime (258051611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129025820 + 129025821.

It is an arithmetic number, because the mean of its divisors is an integer number (129025821).

Almost surely, 2^258051641 is an apocalyptic number.

It is an amenable number.

258051641 is a deficient number, since it is larger than the sum of its proper divisors (1).

258051641 is an equidigital number, since it uses as much as digits as its factorization.

258051641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 258051641 is about 16063.9858378922. The cubic root of 258051641 is about 636.6521475754.

The spelling of 258051641 in words is "two hundred fifty-eight million, fifty-one thousand, six hundred forty-one".