2037281 has 2 divisors, whose sum is σ = 2037282. Its totient is φ = 2037280.

The previous prime is 2037253. The next prime is 2037283. The reversal of 2037281 is 1827302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1934881 + 102400 = 1391^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2037281 - 2¹⁰ = 2036257 is a prime.

It is a super-2 number, since 2×2037281² = 8301027745922, which contains 22 as substring.

Together with 2037283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2037283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018640 + 1018641.

It is an arithmetic number, because the mean of its divisors is an integer number (1018641).

2^2037281 is an apocalyptic number.

It is an amenable number.

2037281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037281 is an equidigital number, since it uses as much as digits as its factorization.

2037281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2037281 is about 1427.3335279464. Note that the first 3 decimals coincide. The cubic root of 2037281 is about 126.7701424391.

The spelling of 2037281 in words is "two million, thirty-seven thousand, two hundred eighty-one".