895521 has 12 divisors (see below), whose sum is σ = 1312976. Its totient is φ = 542520.

The previous prime is 895507. The next prime is 895529. The reversal of 895521 is 125598.

895521 = T₃₉₈ + T₃₉₉ + ... + T₄₀₈.

It is not a de Polignac number, because 895521 - 2⁶ = 895457 is a prime.

It is a super-2 number, since 2×895521² = 1603915722882, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (895529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 1596.

2⁸⁹⁵⁵²¹ is an apocalyptic number.

It is an amenable number.

895521 is a deficient number, since it is larger than the sum of its proper divisors (417455).

895521 is a wasteful number, since it uses less digits than its factorization.

895521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2481 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 895521 is about 946.3197134161. The cubic root of 895521 is about 96.3885080681.

The spelling of 895521 in words is "eight hundred ninety-five thousand, five hundred twenty-one".