2691059 has 4 divisors (see below), whose sum is σ = 3075504. Its totient is φ = 2306616.

The previous prime is 2691053. The next prime is 2691061. The reversal of 2691059 is 9501962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2691059 - 2⁴ = 2691043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2691053) 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, 192212 + ... + 192225.

It is an arithmetic number, because the mean of its divisors is an integer number (768876).

2^2691059 is an apocalyptic number.

2691059 is a deficient number, since it is larger than the sum of its proper divisors (384445).

2691059 is an equidigital number, since it uses as much as digits as its factorization.

2691059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384444.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2691059 is about 1640.4447567657. Note that the first 3 decimals coincide. The cubic root of 2691059 is about 139.0937896767.

The spelling of 2691059 in words is "two million, six hundred ninety-one thousand, fifty-nine".