2965021 has 4 divisors (see below), whose sum is σ = 3139452. Its totient is φ = 2790592.

The previous prime is 2965019. The next prime is 2965033. The reversal of 2965021 is 1205692.

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 2528100 + 436921 = 1590^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2965021 - 2¹ = 2965019 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 (2965421) 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, 87190 + ... + 87223.

It is an arithmetic number, because the mean of its divisors is an integer number (784863).

2^2965021 is an apocalyptic number.

It is an amenable number.

2965021 is a deficient number, since it is larger than the sum of its proper divisors (174431).

2965021 is a wasteful number, since it uses less digits than its factorization.

2965021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174430.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2965021 is about 1721.9236336145. The cubic root of 2965021 is about 143.6622259370.

The spelling of 2965021 in words is "two million, nine hundred sixty-five thousand, twenty-one".