258420611 has 2 divisors, whose sum is σ = 258420612. Its totient is φ = 258420610.

The previous prime is 258420593. The next prime is 258420641. The reversal of 258420611 is 116024852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258420611 - 2¹⁴ = 258404227 is a prime.

It is a super-2 number, since 2×258420611² = 133562424379226642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258420641) 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, 129210305 + 129210306.

It is an arithmetic number, because the mean of its divisors is an integer number (129210306).

Almost surely, 2^258420611 is an apocalyptic number.

258420611 is a deficient number, since it is larger than the sum of its proper divisors (1).

258420611 is an equidigital number, since it uses as much as digits as its factorization.

258420611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 258420611 is about 16075.4661207693. The cubic root of 258420611 is about 636.9554378684.

The spelling of 258420611 in words is "two hundred fifty-eight million, four hundred twenty thousand, six hundred eleven".