258802559 has 2 divisors, whose sum is σ = 258802560. Its totient is φ = 258802558.

The previous prime is 258802541. The next prime is 258802567. The reversal of 258802559 is 955208852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258802559 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258802459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129401279 + 129401280.

It is an arithmetic number, because the mean of its divisors is an integer number (129401280).

Almost surely, 2^258802559 is an apocalyptic number.

258802559 is a deficient number, since it is larger than the sum of its proper divisors (1).

258802559 is an equidigital number, since it uses as much as digits as its factorization.

258802559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 258802559 is about 16087.3415765315. The cubic root of 258802559 is about 637.2690920236.

The spelling of 258802559 in words is "two hundred fifty-eight million, eight hundred two thousand, five hundred fifty-nine".