258363851 has 2 divisors, whose sum is σ = 258363852. Its totient is φ = 258363850.

The previous prime is 258363829. The next prime is 258363883. The reversal of 258363851 is 158363852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258363851 - 2²² = 254169547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258363799 and 258363808.

It is not a weakly prime, because it can be changed into another prime (258363821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129181925 + 129181926.

It is an arithmetic number, because the mean of its divisors is an integer number (129181926).

Almost surely, 2^258363851 is an apocalyptic number.

258363851 is a deficient number, since it is larger than the sum of its proper divisors (1).

258363851 is an equidigital number, since it uses as much as digits as its factorization.

258363851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The square root of 258363851 is about 16073.7006006706. The cubic root of 258363851 is about 636.9088004146.

Subtracting from 258363851 its reverse (158363852), we obtain a palindrome (99999999).

The spelling of 258363851 in words is "two hundred fifty-eight million, three hundred sixty-three thousand, eight hundred fifty-one".