258385073 has 4 divisors (see below), whose sum is σ = 258825840. Its totient is φ = 257944308.

The previous prime is 258385069. The next prime is 258385103. The reversal of 258385073 is 370583852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258385073 - 2² = 258385069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258385073.

It is not an unprimeable number, because it can be changed into a prime (258384073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219503 + ... + 220676.

It is an arithmetic number, because the mean of its divisors is an integer number (64706460).

Almost surely, 2^258385073 is an apocalyptic number.

It is an amenable number.

258385073 is a deficient number, since it is larger than the sum of its proper divisors (440767).

258385073 is an equidigital number, since it uses as much as digits as its factorization.

258385073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440766.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 258385073 is about 16074.3607337897. The cubic root of 258385073 is about 636.9262384946.

The spelling of 258385073 in words is "two hundred fifty-eight million, three hundred eighty-five thousand, seventy-three".