2037491 has 2 divisors, whose sum is σ = 2037492. Its totient is φ = 2037490.

The previous prime is 2037457. The next prime is 2037493. The reversal of 2037491 is 1947302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2037491 is a prime.

Together with 2037493, it forms a pair of twin primes.

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 2037491.

It is not a weakly prime, because it can be changed into another prime (2037493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018745 + 1018746.

It is an arithmetic number, because the mean of its divisors is an integer number (1018746).

2^2037491 is an apocalyptic number.

2037491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037491 is an equidigital number, since it uses as much as digits as its factorization.

2037491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2037491 is about 1427.4070897960. The cubic root of 2037491 is about 126.7744980509.

The spelling of 2037491 in words is "two million, thirty-seven thousand, four hundred ninety-one".