2536889 has 4 divisors (see below), whose sum is σ = 2555280. Its totient is φ = 2518500.

The previous prime is 2536873. The next prime is 2536903. The reversal of 2536889 is 9886352.

2536889 = 60² + 61² + ... + 198².

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 a cyclic number.

It is not a de Polignac number, because 2536889 - 2⁴ = 2536873 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8987 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (638820).

2^2536889 is an apocalyptic number.

It is an amenable number.

2536889 is a deficient number, since it is larger than the sum of its proper divisors (18391).

2536889 is a wasteful number, since it uses less digits than its factorization.

2536889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18390.

The product of its digits is 103680, while the sum is 41.

The square root of 2536889 is about 1592.7614385086. The cubic root of 2536889 is about 136.3851718042.

The spelling of 2536889 in words is "two million, five hundred thirty-six thousand, eight hundred eighty-nine".