258083261 has 4 divisors (see below), whose sum is σ = 258165852. Its totient is φ = 258000672.

The previous prime is 258083237. The next prime is 258083269. The reversal of 258083261 is 162380852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 161925625 + 96157636 = 12725^2 + 9806^2 .

It is a cyclic number.

It is not a de Polignac number, because 258083261 - 2¹⁸ = 257821117 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 (258083269) 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, 36416 + ... + 42921.

It is an arithmetic number, because the mean of its divisors is an integer number (64541463).

Almost surely, 2^258083261 is an apocalyptic number.

It is an amenable number.

258083261 is a deficient number, since it is larger than the sum of its proper divisors (82591).

258083261 is an equidigital number, since it uses as much as digits as its factorization.

258083261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82590.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 258083261 is about 16064.9699968596. The cubic root of 258083261 is about 636.6781502761.

The spelling of 258083261 in words is "two hundred fifty-eight million, eighty-three thousand, two hundred sixty-one".