37442081 has 2 divisors, whose sum is σ = 37442082. Its totient is φ = 37442080.

The previous prime is 37442077. The next prime is 37442087. The reversal of 37442081 is 18024473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 17505856 = 4465^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 37442081 - 2² = 37442077 is a prime.

It is a super-2 number, since 2×37442081² = 2803818859221122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37442087) 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, 18721040 + 18721041.

It is an arithmetic number, because the mean of its divisors is an integer number (18721041).

Almost surely, 2^37442081 is an apocalyptic number.

It is an amenable number.

37442081 is a deficient number, since it is larger than the sum of its proper divisors (1).

37442081 is an equidigital number, since it uses as much as digits as its factorization.

37442081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 37442081 is about 6118.9934629807. The cubic root of 37442081 is about 334.5440623040.

The spelling of 37442081 in words is "thirty-seven million, four hundred forty-two thousand, eighty-one".