2695921 has 4 divisors (see below), whose sum is σ = 2723812. Its totient is φ = 2668032.

The previous prime is 2695909. The next prime is 2695933. The reversal of 2695921 is 1295962.

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

It is an interprime number because it is at equal distance from previous prime (2695909) and next prime (2695933).

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 2190400 = 711^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2695921 - 2⁷ = 2695793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2695961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13800 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (680953).

2^2695921 is an apocalyptic number.

It is an amenable number.

2695921 is a deficient number, since it is larger than the sum of its proper divisors (27891).

2695921 is an equidigital number, since it uses as much as digits as its factorization.

2695921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27890.

The product of its digits is 9720, while the sum is 34.

The square root of 2695921 is about 1641.9260032048. The cubic root of 2695921 is about 139.1775072929.

The spelling of 2695921 in words is "two million, six hundred ninety-five thousand, nine hundred twenty-one".