2503263 has 12 divisors (see below), whose sum is σ = 3882840. Its totient is φ = 1430352.

The previous prime is 2503261. The next prime is 2503283. The reversal of 2503263 is 3623052.

It is not a de Polignac number, because 2503263 - 2¹ = 2503261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8368 + ... + 8661.

It is an arithmetic number, because the mean of its divisors is an integer number (323570).

2^2503263 is an apocalyptic number.

2503263 is a deficient number, since it is larger than the sum of its proper divisors (1379577).

2503263 is a wasteful number, since it uses less digits than its factorization.

2503263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17046 (or 17039 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2503263 is about 1582.1703448112. The cubic root of 2503263 is about 135.7799027899.

The spelling of 2503263 in words is "two million, five hundred three thousand, two hundred sixty-three".