258335461 has 2 divisors, whose sum is σ = 258335462. Its totient is φ = 258335460.

The previous prime is 258335459. The next prime is 258335491. The reversal of 258335461 is 164533852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195132961 + 63202500 = 13969^2 + 7950^2 .

It is a cyclic number.

It is not a de Polignac number, because 258335461 - 2¹ = 258335459 is a prime.

Together with 258335459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 258335461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258335401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129167730 + 129167731.

It is an arithmetic number, because the mean of its divisors is an integer number (129167731).

Almost surely, 2^258335461 is an apocalyptic number.

It is an amenable number.

258335461 is a deficient number, since it is larger than the sum of its proper divisors (1).

258335461 is an equidigital number, since it uses as much as digits as its factorization.

258335461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 258335461 is about 16072.8174568120. The cubic root of 258335461 is about 636.8854709084.

The spelling of 258335461 in words is "two hundred fifty-eight million, three hundred thirty-five thousand, four hundred sixty-one".