258623093 has 10 divisors (see below), whose sum is σ = 269231094. Its totient is φ = 248344616.

The previous prime is 258623087. The next prime is 258623107. The reversal of 258623093 is 390326852.

It can be written as a sum of positive squares in only one way, i.e., 239104369 + 19518724 = 15463^2 + 4418^2 .

It is not a de Polignac number, because 258623093 - 2⁴ = 258623077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258623033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4879655 + ... + 4879707.

Almost surely, 2^258623093 is an apocalyptic number.

It is an amenable number.

258623093 is a deficient number, since it is larger than the sum of its proper divisors (10608001).

258623093 is an frugal number, since it uses more digits than its factorization.

258623093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 258623093 is about 16081.7627454207. The cubic root of 258623093 is about 637.1217537315.

The spelling of 258623093 in words is "two hundred fifty-eight million, six hundred twenty-three thousand, ninety-three".