2537971 has 4 divisors (see below), whose sum is σ = 2548744. Its totient is φ = 2527200.

The previous prime is 2537959. The next prime is 2537987. The reversal of 2537971 is 1797352.

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 2537971 - 2⁹ = 2537459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2537911) 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, 5025 + ... + 5506.

It is an arithmetic number, because the mean of its divisors is an integer number (637186).

2^2537971 is an apocalyptic number.

2537971 is a deficient number, since it is larger than the sum of its proper divisors (10773).

2537971 is a wasteful number, since it uses less digits than its factorization.

2537971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10772.

The product of its digits is 13230, while the sum is 34.

The square root of 2537971 is about 1593.1010639630. The cubic root of 2537971 is about 136.4045587753.

The spelling of 2537971 in words is "two million, five hundred thirty-seven thousand, nine hundred seventy-one".