2795021 has 4 divisors (see below), whose sum is σ = 2959452. Its totient is φ = 2630592.

The previous prime is 2795003. The next prime is 2795027. The reversal of 2795021 is 1205972.

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 2418025 + 376996 = 1555^2 + 614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2795021 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 (2795027) 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, 82190 + ... + 82223.

It is an arithmetic number, because the mean of its divisors is an integer number (739863).

2^2795021 is an apocalyptic number.

It is an amenable number.

2795021 is a deficient number, since it is larger than the sum of its proper divisors (164431).

2795021 is a wasteful number, since it uses less digits than its factorization.

2795021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164430.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2795021 is about 1671.8316302786. The cubic root of 2795021 is about 140.8623810240.

The spelling of 2795021 in words is "two million, seven hundred ninety-five thousand, twenty-one".