258028292 has 12 divisors (see below), whose sum is σ = 458952396. Its totient is φ = 126899040.

The previous prime is 258028291. The next prime is 258028301. The reversal of 258028292 is 292820852.

It can be written as a sum of positive squares in 2 ways, for example, as 77018176 + 181010116 = 8776^2 + 13454^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (258028291) 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, 528503 + ... + 528990.

It is an arithmetic number, because the mean of its divisors is an integer number (38246033).

Almost surely, 2^258028292 is an apocalyptic number.

It is an amenable number.

258028292 is a deficient number, since it is larger than the sum of its proper divisors (200924104).

258028292 is a wasteful number, since it uses less digits than its factorization.

258028292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057558 (or 1057556 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 258028292 is about 16063.2590715583. The cubic root of 258028292 is about 636.6329451665.

The spelling of 258028292 in words is "two hundred fifty-eight million, twenty-eight thousand, two hundred ninety-two".