257859041 has 4 divisors (see below), whose sum is σ = 281300784. Its totient is φ = 234417300.

The previous prime is 257858983. The next prime is 257859059. The reversal of 257859041 is 140958752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 257859041 - 2¹⁰ = 257858017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 257859041.

It is not an unprimeable number, because it can be changed into a prime (257859541) 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, 11720855 + ... + 11720876.

It is an arithmetic number, because the mean of its divisors is an integer number (70325196).

Almost surely, 2^257859041 is an apocalyptic number.

It is an amenable number.

257859041 is a deficient number, since it is larger than the sum of its proper divisors (23441743).

257859041 is a wasteful number, since it uses less digits than its factorization.

257859041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23441742.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 257859041 is about 16057.9899427045. The cubic root of 257859041 is about 636.4937171131.

The spelling of 257859041 in words is "two hundred fifty-seven million, eight hundred fifty-nine thousand, forty-one".