258409051 has 4 divisors (see below), whose sum is σ = 259748152. Its totient is φ = 257069952.

The previous prime is 258409049. The next prime is 258409091. The reversal of 258409051 is 150904852.

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 258409051 - 2¹ = 258409049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258408998 and 258409016.

It is not an unprimeable number, because it can be changed into a prime (258409001) 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, 669261 + ... + 669646.

It is an arithmetic number, because the mean of its divisors is an integer number (64937038).

Almost surely, 2^258409051 is an apocalyptic number.

258409051 is a deficient number, since it is larger than the sum of its proper divisors (1339101).

258409051 is a wasteful number, since it uses less digits than its factorization.

258409051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339100.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 258409051 is about 16075.1065626328. The cubic root of 258409051 is about 636.9459400261.

The spelling of 258409051 in words is "two hundred fifty-eight million, four hundred nine thousand, fifty-one".