285268937 has 2 divisors, whose sum is σ = 285268938. Its totient is φ = 285268936.

The previous prime is 285268909. The next prime is 285268961. The reversal of 285268937 is 739862582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167676601 + 117592336 = 12949^2 + 10844^2 .

It is a cyclic number.

It is not a de Polignac number, because 285268937 - 2²⁶ = 218160073 is a prime.

It is not a weakly prime, because it can be changed into another prime (285268237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142634468 + 142634469.

It is an arithmetic number, because the mean of its divisors is an integer number (142634469).

Almost surely, 2^285268937 is an apocalyptic number.

It is an amenable number.

285268937 is a deficient number, since it is larger than the sum of its proper divisors (1).

285268937 is an equidigital number, since it uses as much as digits as its factorization.

285268937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 285268937 is about 16889.9063644533. The cubic root of 285268937 is about 658.2913694058.

The spelling of 285268937 in words is "two hundred eighty-five million, two hundred sixty-eight thousand, nine hundred thirty-seven".