2536891 has 8 divisors (see below), whose sum is σ = 2999520. Its totient is φ = 2099328.

The previous prime is 2536873. The next prime is 2536903. The reversal of 2536891 is 1986352.

2536891 = T₄₈₁ + T₄₈₂ + ... + T₅₀₁.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2536891 - 2⁷ = 2536763 is a prime.

It is an Ulam number.

It is a Duffinian number.

2536891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2536801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6046 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (374940).

2^2536891 is an apocalyptic number.

2536891 is a deficient number, since it is larger than the sum of its proper divisors (462629).

2536891 is a wasteful number, since it uses less digits than its factorization.

2536891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533.

The product of its digits is 12960, while the sum is 34.

The square root of 2536891 is about 1592.7620663489. The cubic root of 2536891 is about 136.3852076447.

The spelling of 2536891 in words is "two million, five hundred thirty-six thousand, eight hundred ninety-one".