852154279 has 2 divisors, whose sum is σ = 852154280. Its totient is φ = 852154278.

The previous prime is 852154267. The next prime is 852154297. The reversal of 852154279 is 972451258.

Together with next prime (852154297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852154279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852154229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426077139 + 426077140.

It is an arithmetic number, because the mean of its divisors is an integer number (426077140).

Almost surely, 2^852154279 is an apocalyptic number.

852154279 is a deficient number, since it is larger than the sum of its proper divisors (1).

852154279 is an equidigital number, since it uses as much as digits as its factorization.

852154279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 852154279 is about 29191.6816747511. The cubic root of 852154279 is about 948.0678287531.

The spelling of 852154279 in words is "eight hundred fifty-two million, one hundred fifty-four thousand, two hundred seventy-nine".