2821495 has 4 divisors (see below), whose sum is σ = 3385800. Its totient is φ = 2257192.

The previous prime is 2821493. The next prime is 2821501. The reversal of 2821495 is 5941282.

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 2821495 - 2¹ = 2821493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821493) 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, 282145 + ... + 282154.

It is an arithmetic number, because the mean of its divisors is an integer number (846450).

2^2821495 is an apocalyptic number.

2821495 is a deficient number, since it is larger than the sum of its proper divisors (564305).

2821495 is an equidigital number, since it uses as much as digits as its factorization.

2821495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564304.

The product of its digits is 5760, while the sum is 31.

The square root of 2821495 is about 1679.7306331671. The cubic root of 2821495 is about 141.3057263085.

The spelling of 2821495 in words is "two million, eight hundred twenty-one thousand, four hundred ninety-five".