2537943 has 4 divisors (see below), whose sum is σ = 3383928. Its totient is φ = 1691960.

The previous prime is 2537923. The next prime is 2537959. The reversal of 2537943 is 3497352.

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 2537943 - 2⁵ = 2537911 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3⁶ + 7 + 9³ + 4² + 3¹⁰ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537923) 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, 422988 + ... + 422993.

It is an arithmetic number, because the mean of its divisors is an integer number (845982).

2^2537943 is an apocalyptic number.

2537943 is a deficient number, since it is larger than the sum of its proper divisors (845985).

2537943 is an equidigital number, since it uses as much as digits as its factorization.

2537943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845984.

The product of its digits is 22680, while the sum is 33.

The square root of 2537943 is about 1593.0922760468. The cubic root of 2537943 is about 136.4040571486.

The spelling of 2537943 in words is "two million, five hundred thirty-seven thousand, nine hundred forty-three".