257822483 has 2 divisors, whose sum is σ = 257822484. Its totient is φ = 257822482.

The previous prime is 257822447. The next prime is 257822501. The reversal of 257822483 is 384228752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 257822483 - 2¹² = 257818387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 257822483.

It is not a weakly prime, because it can be changed into another prime (257822423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128911241 + 128911242.

It is an arithmetic number, because the mean of its divisors is an integer number (128911242).

Almost surely, 2^257822483 is an apocalyptic number.

257822483 is a deficient number, since it is larger than the sum of its proper divisors (1).

257822483 is an equidigital number, since it uses as much as digits as its factorization.

257822483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 41.

The square root of 257822483 is about 16056.8515905205. The cubic root of 257822483 is about 636.4636360308.

The spelling of 257822483 in words is "two hundred fifty-seven million, eight hundred twenty-two thousand, four hundred eighty-three".