2602393 has 4 divisors (see below), whose sum is σ = 2665908. Its totient is φ = 2538880.

The previous prime is 2602367. The next prime is 2602399. The reversal of 2602393 is 3932062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3932062 = 2 ⋅1966031.

It can be written as a sum of positive squares in 2 ways, for example, as 328329 + 2274064 = 573^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 2602393 - 2¹⁷ = 2471321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2602399) 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, 31696 + ... + 31777.

It is an arithmetic number, because the mean of its divisors is an integer number (666477).

2^2602393 is an apocalyptic number.

It is an amenable number.

2602393 is a deficient number, since it is larger than the sum of its proper divisors (63515).

2602393 is an equidigital number, since it uses as much as digits as its factorization.

2602393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63514.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 2602393 is about 1613.1934167979. The cubic root of 2602393 is about 137.5490601791.

The spelling of 2602393 in words is "two million, six hundred two thousand, three hundred ninety-three".