2137571 has 2 divisors, whose sum is σ = 2137572. Its totient is φ = 2137570.

The previous prime is 2137549. The next prime is 2137613. The reversal of 2137571 is 1757312.

2137571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2137571 - 2⁶ = 2137507 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2137571.

It is not a weakly prime, because it can be changed into another prime (2137771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068785 + 1068786.

It is an arithmetic number, because the mean of its divisors is an integer number (1068786).

2^2137571 is an apocalyptic number.

2137571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137571 is an equidigital number, since it uses as much as digits as its factorization.

2137571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1470, while the sum is 26.

The square root of 2137571 is about 1462.0434330074. The cubic root of 2137571 is about 128.8170995327.

The spelling of 2137571 in words is "two million, one hundred thirty-seven thousand, five hundred seventy-one".