285164371 has 2 divisors, whose sum is σ = 285164372. Its totient is φ = 285164370.

The previous prime is 285164339. The next prime is 285164387. The reversal of 285164371 is 173461582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285164371 - 2⁵ = 285164339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285164371.

It is not a weakly prime, because it can be changed into another prime (285134371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142582185 + 142582186.

It is an arithmetic number, because the mean of its divisors is an integer number (142582186).

Almost surely, 2^285164371 is an apocalyptic number.

285164371 is a deficient number, since it is larger than the sum of its proper divisors (1).

285164371 is an equidigital number, since it uses as much as digits as its factorization.

285164371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 285164371 is about 16886.8105632769. The cubic root of 285164371 is about 658.2109268262.

The spelling of 285164371 in words is "two hundred eighty-five million, one hundred sixty-four thousand, three hundred seventy-one".