2403263 has 2 divisors, whose sum is σ = 2403264. Its totient is φ = 2403262.

The previous prime is 2403229. The next prime is 2403277. The reversal of 2403263 is 3623042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2403263 - 2⁸ = 2403007 is a prime.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2403463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201631 + 1201632.

It is an arithmetic number, because the mean of its divisors is an integer number (1201632).

2^2403263 is an apocalyptic number.

2403263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403263 is an equidigital number, since it uses as much as digits as its factorization.

2403263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2403263 is about 1550.2461094936. The cubic root of 2403263 is about 133.9472391976.

The spelling of 2403263 in words is "two million, four hundred three thousand, two hundred sixty-three".