2502743 has 4 divisors (see below), whose sum is σ = 2506608. Its totient is φ = 2498880.

The previous prime is 2502733. The next prime is 2502761. The reversal of 2502743 is 3472052.

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 2502743 - 2¹⁶ = 2437207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502733) 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, 698 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (626652).

2^2502743 is an apocalyptic number.

2502743 is a deficient number, since it is larger than the sum of its proper divisors (3865).

2502743 is an equidigital number, since it uses as much as digits as its factorization.

2502743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2502743 is about 1582.0060050455. The cubic root of 2502743 is about 135.7705003368.

Adding to 2502743 its reverse (3472052), we get a palindrome (5974795).

The spelling of 2502743 in words is "two million, five hundred two thousand, seven hundred forty-three".