2801535 has 16 divisors (see below), whose sum is σ = 4890240. Its totient is φ = 1358240.

The previous prime is 2801509. The next prime is 2801543. The reversal of 2801535 is 5351082.

It is not a de Polignac number, because 2801535 - 2¹² = 2797439 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8325 + ... + 8654.

It is an arithmetic number, because the mean of its divisors is an integer number (305640).

2^2801535 is an apocalyptic number.

2801535 is a deficient number, since it is larger than the sum of its proper divisors (2088705).

2801535 is a wasteful number, since it uses less digits than its factorization.

2801535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2801535 is about 1673.7786592020. The cubic root of 2801535 is about 140.9717261350.

The spelling of 2801535 in words is "two million, eight hundred one thousand, five hundred thirty-five".