258002825 has 6 divisors (see below), whose sum is σ = 319923534. Its totient is φ = 206402240.

The previous prime is 258002803. The next prime is 258002827. The reversal of 258002825 is 528200852.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22963264 + 235039561 = 4792^2 + 15331^2 .

It is not a de Polignac number, because 258002825 - 2²⁰ = 256954249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258002791 and 258002800.

It is not an unprimeable number, because it can be changed into a prime (258002827) 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, 5160032 + ... + 5160081.

It is an arithmetic number, because the mean of its divisors is an integer number (53320589).

Almost surely, 2^258002825 is an apocalyptic number.

258002825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

258002825 is a deficient number, since it is larger than the sum of its proper divisors (61920709).

258002825 is a wasteful number, since it uses less digits than its factorization.

258002825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320123 (or 10320118 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 258002825 is about 16062.4663423772. The cubic root of 258002825 is about 636.6119995763.

The spelling of 258002825 in words is "two hundred fifty-eight million, two thousand, eight hundred twenty-five".