850253057 has 2 divisors, whose sum is σ = 850253058. Its totient is φ = 850253056.

The previous prime is 850253017. The next prime is 850253093. The reversal of 850253057 is 750352058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850247281 + 5776 = 29159^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 850253057 - 2⁸ = 850252801 is a prime.

It is not a weakly prime, because it can be changed into another prime (850253017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425126528 + 425126529.

It is an arithmetic number, because the mean of its divisors is an integer number (425126529).

Almost surely, 2^850253057 is an apocalyptic number.

It is an amenable number.

850253057 is a deficient number, since it is larger than the sum of its proper divisors (1).

850253057 is an equidigital number, since it uses as much as digits as its factorization.

850253057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 850253057 is about 29159.0990430089. The cubic root of 850253057 is about 947.3622329010.

Subtracting from 850253057 its reverse (750352058), we obtain a palindrome (99900999).

The spelling of 850253057 in words is "eight hundred fifty million, two hundred fifty-three thousand, fifty-seven".