263052403 has 4 divisors (see below), whose sum is σ = 274489488. Its totient is φ = 251615320.

The previous prime is 263052347. The next prime is 263052431. The reversal of 263052403 is 304250362.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 263052403 - 2¹⁷ = 262921331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263052103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718508 + ... + 5718553.

It is an arithmetic number, because the mean of its divisors is an integer number (68622372).

Almost surely, 2^263052403 is an apocalyptic number.

263052403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

263052403 is a deficient number, since it is larger than the sum of its proper divisors (11437085).

263052403 is a wasteful number, since it uses less digits than its factorization.

263052403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437084.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 263052403 is about 16218.8903134586. The cubic root of 263052403 is about 640.7384079788.

The spelling of 263052403 in words is "two hundred sixty-three million, fifty-two thousand, four hundred three".