258061133 has 4 divisors (see below), whose sum is σ = 281521248. Its totient is φ = 234601020.

The previous prime is 258061117. The next prime is 258061183. The reversal of 258061133 is 331160852.

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 258061133 - 2⁴ = 258061117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 258061096 and 258061105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258061183) 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, 11730041 + ... + 11730062.

It is an arithmetic number, because the mean of its divisors is an integer number (70380312).

Almost surely, 2^258061133 is an apocalyptic number.

It is an amenable number.

258061133 is a deficient number, since it is larger than the sum of its proper divisors (23460115).

258061133 is a wasteful number, since it uses less digits than its factorization.

258061133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460114.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 258061133 is about 16064.2812786629. The cubic root of 258061133 is about 636.6599535428.

The spelling of 258061133 in words is "two hundred fifty-eight million, sixty-one thousand, one hundred thirty-three".