258080528 has 20 divisors (see below), whose sum is σ = 505189020. Its totient is φ = 127709184.

The previous prime is 258080521. The next prime is 258080531. The reversal of 258080528 is 825080852.

It can be written as a sum of positive squares in 2 ways, for example, as 133356304 + 124724224 = 11548^2 + 11168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 258080491 and 258080500.

It is not an unprimeable number, because it can be changed into a prime (258080521) 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, 81593 + ... + 84696.

It is an arithmetic number, because the mean of its divisors is an integer number (25259451).

Almost surely, 2^258080528 is an apocalyptic number.

It is an amenable number.

258080528 is a deficient number, since it is larger than the sum of its proper divisors (247108492).

258080528 is a wasteful number, since it uses less digits than its factorization.

258080528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166394 (or 166388 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 258080528 is about 16064.8849357846. The cubic root of 258080528 is about 636.6759028779.

The spelling of 258080528 in words is "two hundred fifty-eight million, eighty thousand, five hundred twenty-eight".