852279457 has 2 divisors, whose sum is σ = 852279458. Its totient is φ = 852279456.

The previous prime is 852279451. The next prime is 852279469. The reversal of 852279457 is 754972258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772784401 + 79495056 = 27799^2 + 8916^2 .

It is a cyclic number.

It is not a de Polignac number, because 852279457 - 2²³ = 843890849 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 852279457.

It is not a weakly prime, because it can be changed into another prime (852279451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426139728 + 426139729.

It is an arithmetic number, because the mean of its divisors is an integer number (426139729).

Almost surely, 2^852279457 is an apocalyptic number.

It is an amenable number.

852279457 is a deficient number, since it is larger than the sum of its proper divisors (1).

852279457 is an equidigital number, since it uses as much as digits as its factorization.

852279457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The square root of 852279457 is about 29193.8256657123. The cubic root of 852279457 is about 948.1142489171.

The spelling of 852279457 in words is "eight hundred fifty-two million, two hundred seventy-nine thousand, four hundred fifty-seven".