2602445 has 12 divisors (see below), whose sum is σ = 3319284. Its totient is φ = 1958400.

The previous prime is 2602441. The next prime is 2602447. The reversal of 2602445 is 5442062.

It can be written as a sum of positive squares in 6 ways, for example, as 676 + 2601769 = 26^2 + 1613^2 .

It is not a de Polignac number, because 2602445 - 2² = 2602441 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2602445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (276607).

2^2602445 is an apocalyptic number.

It is an amenable number.

2602445 is a deficient number, since it is larger than the sum of its proper divisors (716839).

2602445 is a wasteful number, since it uses less digits than its factorization.

2602445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2602445 is about 1613.2095338176. The cubic root of 2602445 is about 137.5499763236.

The spelling of 2602445 in words is "two million, six hundred two thousand, four hundred forty-five".