2037881 has 2 divisors, whose sum is σ = 2037882. Its totient is φ = 2037880.

The previous prime is 2037857. The next prime is 2037911. The reversal of 2037881 is 1887302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 512656 = 1235^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 2037881 - 2¹⁴ = 2021497 is a prime.

It is a super-2 number, since 2×2037881² = 8305917940322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2037821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018940 + 1018941.

It is an arithmetic number, because the mean of its divisors is an integer number (1018941).

2^2037881 is an apocalyptic number.

It is an amenable number.

2037881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037881 is an equidigital number, since it uses as much as digits as its factorization.

2037881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2037881 is about 1427.5436946027. The cubic root of 2037881 is about 126.7825862502.

The spelling of 2037881 in words is "two million, thirty-seven thousand, eight hundred eighty-one".