2503231 has 4 divisors (see below), whose sum is σ = 2635000. Its totient is φ = 2371464.

The previous prime is 2503217. The next prime is 2503253. The reversal of 2503231 is 1323052.

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 2503231 - 2⁷ = 2503103 is a prime.

It is a super-2 number, since 2×2503231² = 12532330878722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503201) 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, 65856 + ... + 65893.

It is an arithmetic number, because the mean of its divisors is an integer number (658750).

2^2503231 is an apocalyptic number.

2503231 is a deficient number, since it is larger than the sum of its proper divisors (131769).

2503231 is a wasteful number, since it uses less digits than its factorization.

2503231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131768.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2503231 is about 1582.1602320878. The cubic root of 2503231 is about 135.7793242150.

Adding to 2503231 its reverse (1323052), we get a palindrome (3826283).

It can be divided in two parts, 250 and 3231, that added together give a square (3481 = 59²).

The spelling of 2503231 in words is "two million, five hundred three thousand, two hundred thirty-one".