2552743 has 4 divisors (see below), whose sum is σ = 2568568. Its totient is φ = 2536920.

The previous prime is 2552729. The next prime is 2552761. The reversal of 2552743 is 3472552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2552743 is a prime.

It is a Duffinian number.

2552743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552713) 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, 7668 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (642142).

2^2552743 is an apocalyptic number.

2552743 is a deficient number, since it is larger than the sum of its proper divisors (15825).

2552743 is a wasteful number, since it uses less digits than its factorization.

2552743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824.

The product of its digits is 8400, while the sum is 28.

The square root of 2552743 is about 1597.7305780387. The cubic root of 2552743 is about 136.6686899033.

The spelling of 2552743 in words is "two million, five hundred fifty-two thousand, seven hundred forty-three".