258242035 has 4 divisors (see below), whose sum is σ = 309890448. Its totient is φ = 206593624.

The previous prime is 258242011. The next prime is 258242051. The reversal of 258242035 is 530242852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258242035 - 2⁹ = 258241523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258241988 and 258242006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25824199 + ... + 25824208.

It is an arithmetic number, because the mean of its divisors is an integer number (77472612).

Almost surely, 2^258242035 is an apocalyptic number.

258242035 is a deficient number, since it is larger than the sum of its proper divisors (51648413).

258242035 is an equidigital number, since it uses as much as digits as its factorization.

258242035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51648412.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 258242035 is about 16069.9108584958. The cubic root of 258242035 is about 636.8086859456.

Adding to 258242035 its reverse (530242852), we get a palindrome (788484887).

The spelling of 258242035 in words is "two hundred fifty-eight million, two hundred forty-two thousand, thirty-five".