2602045 has 4 divisors (see below), whose sum is σ = 3122460. Its totient is φ = 2081632.

The previous prime is 2602043. The next prime is 2602057. The reversal of 2602045 is 5402062.

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 811801 + 1790244 = 901^2 + 1338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2602045 - 2¹ = 2602043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602043) 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, 260200 + ... + 260209.

It is an arithmetic number, because the mean of its divisors is an integer number (780615).

2^2602045 is an apocalyptic number.

It is an amenable number.

2602045 is a deficient number, since it is larger than the sum of its proper divisors (520415).

2602045 is an equidigital number, since it uses as much as digits as its factorization.

2602045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520414.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2602045 is about 1613.0855525979. The cubic root of 2602045 is about 137.5429287446.

The spelling of 2602045 in words is "two million, six hundred two thousand, forty-five".