257530050 has 48 divisors (see below), whose sum is σ = 709642080. Its totient is φ = 68674320.

The previous prime is 257530043. The next prime is 257530067. The reversal of 257530050 is 50035752.

257530050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 257529996 and 257530023.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94032 + ... + 96731.

It is an arithmetic number, because the mean of its divisors is an integer number (14784210).

Almost surely, 2^257530050 is an apocalyptic number.

257530050 is an abundant number, since it is smaller than the sum of its proper divisors (452112030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257530050 is a wasteful number, since it uses less digits than its factorization.

257530050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190784 (or 190773 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 257530050 is about 16047.7428319375. The cubic root of 257530050 is about 636.2229104714. Note that the first 3 decimals are identical.

The spelling of 257530050 in words is "two hundred fifty-seven million, five hundred thirty thousand, fifty".