258036829 has 6 divisors (see below), whose sum is σ = 274108634. Its totient is φ = 242857920.

The previous prime is 258036797. The next prime is 258036869. The reversal of 258036829 is 928630852.

It can be written as a sum of positive squares in 3 ways, for example, as 36324729 + 221712100 = 6027^2 + 14890^2 .

It is not a de Polignac number, because 258036829 - 2⁵ = 258036797 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 (258036869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446142 + ... + 446719.

Almost surely, 2^258036829 is an apocalyptic number.

It is an amenable number.

258036829 is a deficient number, since it is larger than the sum of its proper divisors (16071805).

258036829 is an equidigital number, since it uses as much as digits as its factorization.

258036829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892895 (or 892878 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 258036829 is about 16063.5247999933. The cubic root of 258036829 is about 636.6399661996.

The spelling of 258036829 in words is "two hundred fifty-eight million, thirty-six thousand, eight hundred twenty-nine".