2602623 has 4 divisors (see below), whose sum is σ = 3470168. Its totient is φ = 1735080.

The previous prime is 2602603. The next prime is 2602637. The reversal of 2602623 is 3262062.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2602623 - 2⁸ = 2602367 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2602623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433768 + ... + 433773.

It is an arithmetic number, because the mean of its divisors is an integer number (867542).

2^2602623 is an apocalyptic number.

2602623 is a deficient number, since it is larger than the sum of its proper divisors (867545).

2602623 is an equidigital number, since it uses as much as digits as its factorization.

2602623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867544.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2602623 is about 1613.2647023970. The cubic root of 2602623 is about 137.5531122640.

Adding to 2602623 its reverse (3262062), we get a palindrome (5864685).

The spelling of 2602623 in words is "two million, six hundred two thousand, six hundred twenty-three".