895284561 has 4 divisors (see below), whose sum is σ = 1193712752. Its totient is φ = 596856372.

The previous prime is 895284527. The next prime is 895284571. The reversal of 895284561 is 165482598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 895284561 - 2²³ = 886895953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 895284561.

It is not an unprimeable number, because it can be changed into a prime (895284521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149214091 + ... + 149214096.

It is an arithmetic number, because the mean of its divisors is an integer number (298428188).

Almost surely, 2^895284561 is an apocalyptic number.

It is an amenable number.

895284561 is a deficient number, since it is larger than the sum of its proper divisors (298428191).

895284561 is a wasteful number, since it uses less digits than its factorization.

895284561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298428190.

The product of its digits is 691200, while the sum is 48.

The square root of 895284561 is about 29921.3061379346. The cubic root of 895284561 is about 963.8002436287.

The spelling of 895284561 in words is "eight hundred ninety-five million, two hundred eighty-four thousand, five hundred sixty-one".