2634403 has 2 divisors, whose sum is σ = 2634404. Its totient is φ = 2634402.

The previous prime is 2634377. The next prime is 2634419. The reversal of 2634403 is 3044362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2634403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2634433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317201 + 1317202.

It is an arithmetic number, because the mean of its divisors is an integer number (1317202).

2^2634403 is an apocalyptic number.

2634403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634403 is an equidigital number, since it uses as much as digits as its factorization.

2634403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2634403 is about 1623.0844093885. The cubic root of 2634403 is about 138.1107246905.

Adding to 2634403 its reverse (3044362), we get a palindrome (5678765).

The spelling of 2634403 in words is "two million, six hundred thirty-four thousand, four hundred three".