285672511 has 2 divisors, whose sum is σ = 285672512. Its totient is φ = 285672510.

The previous prime is 285672509. The next prime is 285672553. The reversal of 285672511 is 115276582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285672511 - 2¹ = 285672509 is a prime.

Together with 285672509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285673511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142836255 + 142836256.

It is an arithmetic number, because the mean of its divisors is an integer number (142836256).

Almost surely, 2^285672511 is an apocalyptic number.

285672511 is a deficient number, since it is larger than the sum of its proper divisors (1).

285672511 is an equidigital number, since it uses as much as digits as its factorization.

285672511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 37.

The square root of 285672511 is about 16901.8493366850. The cubic root of 285672511 is about 658.6016545006.

The spelling of 285672511 in words is "two hundred eighty-five million, six hundred seventy-two thousand, five hundred eleven".