2695421 has 4 divisors (see below), whose sum is σ = 2746332. Its totient is φ = 2644512.

The previous prime is 2695411. The next prime is 2695447. The reversal of 2695421 is 1245962.

2695421 = 104² + 105² + ... + 209².

It is a happy number.

2695421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 902500 + 1792921 = 950^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2695421 - 2¹⁴ = 2679037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2695411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25376 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (686583).

2^2695421 is an apocalyptic number.

It is an amenable number.

2695421 is a deficient number, since it is larger than the sum of its proper divisors (50911).

2695421 is an equidigital number, since it uses as much as digits as its factorization.

2695421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50910.

The product of its digits is 4320, while the sum is 29.

The square root of 2695421 is about 1641.7737359332. The cubic root of 2695421 is about 139.1689025581.

The spelling of 2695421 in words is "two million, six hundred ninety-five thousand, four hundred twenty-one".