2602449 has 30 divisors (see below), whose sum is σ = 4149090. Its totient is φ = 1625184.

The previous prime is 2602447. The next prime is 2602451. The reversal of 2602449 is 9442062.

It is an interprime number because it is at equal distance from previous prime (2602447) and next prime (2602451).

It can be written as a sum of positive squares in only one way, i.e., 1871424 + 731025 = 1368^2 + 855^2 .

It is not a de Polignac number, because 2602449 - 2¹ = 2602447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2602441) 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 29 ways as a sum of consecutive naturals, for example, 29197 + ... + 29285.

It is an arithmetic number, because the mean of its divisors is an integer number (138303).

2^2602449 is an apocalyptic number.

It is an amenable number.

2602449 is a deficient number, since it is larger than the sum of its proper divisors (1546641).

2602449 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (2602450) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (139).

2602449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2602449 is about 1613.2107735817. The cubic root of 2602449 is about 137.5500467957.

The spelling of 2602449 in words is "two million, six hundred two thousand, four hundred forty-nine".