850432057 has 2 divisors, whose sum is σ = 850432058. Its totient is φ = 850432056.

The previous prime is 850432003. The next prime is 850432069. The reversal of 850432057 is 750234058.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730945296 + 119486761 = 27036^2 + 10931^2 .

It is a cyclic number.

It is not a de Polignac number, because 850432057 - 2¹⁵ = 850399289 is a prime.

It is not a weakly prime, because it can be changed into another prime (850432097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425216028 + 425216029.

It is an arithmetic number, because the mean of its divisors is an integer number (425216029).

Almost surely, 2^850432057 is an apocalyptic number.

It is an amenable number.

850432057 is a deficient number, since it is larger than the sum of its proper divisors (1).

850432057 is an equidigital number, since it uses as much as digits as its factorization.

850432057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 850432057 is about 29162.1682492918. The cubic root of 850432057 is about 947.4287095574.

The spelling of 850432057 in words is "eight hundred fifty million, four hundred thirty-two thousand, fifty-seven".