257822925059 has 4 divisors (see below), whose sum is σ = 294654771504. Its totient is φ = 220991078616.

The previous prime is 257822925007. The next prime is 257822925067. The reversal of 257822925059 is 950529228752.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 257822925059 - 2¹⁶ = 257822859523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 257822924995 and 257822925013.

It is not an unprimeable number, because it can be changed into a prime (257822925359) 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, 18415923212 + ... + 18415923225.

It is an arithmetic number, because the mean of its divisors is an integer number (73663692876).

Almost surely, 2^257822925059 is an apocalyptic number.

257822925059 is a deficient number, since it is larger than the sum of its proper divisors (36831846445).

257822925059 is an equidigital number, since it uses as much as digits as its factorization.

257822925059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36831846444.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 257822925059 in words is "two hundred fifty-seven billion, eight hundred twenty-two million, nine hundred twenty-five thousand, fifty-nine".