258259403 has 2 divisors, whose sum is σ = 258259404. Its totient is φ = 258259402.

The previous prime is 258259367. The next prime is 258259411. The reversal of 258259403 is 304952852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258259403 - 2²² = 254065099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258259423) 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, 129129701 + 129129702.

It is an arithmetic number, because the mean of its divisors is an integer number (129129702).

Almost surely, 2^258259403 is an apocalyptic number.

258259403 is a deficient number, since it is larger than the sum of its proper divisors (1).

258259403 is an equidigital number, since it uses as much as digits as its factorization.

258259403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 258259403 is about 16070.4512382198. The cubic root of 258259403 is about 636.8229617590.

The spelling of 258259403 in words is "two hundred fifty-eight million, two hundred fifty-nine thousand, four hundred three".