37665241 has 2 divisors, whose sum is σ = 37665242. Its totient is φ = 37665240.

The previous prime is 37665211. The next prime is 37665253. The reversal of 37665241 is 14256673.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 7371225 = 5504^2 + 2715^2 .

It is an emirp because it is prime and its reverse (14256673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37665241 - 2⁵ = 37665209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37665197 and 37665206.

It is not a weakly prime, because it can be changed into another prime (37665211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18832620 + 18832621.

It is an arithmetic number, because the mean of its divisors is an integer number (18832621).

Almost surely, 2^37665241 is an apocalyptic number.

It is an amenable number.

37665241 is a deficient number, since it is larger than the sum of its proper divisors (1).

37665241 is an equidigital number, since it uses as much as digits as its factorization.

37665241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 37665241 is about 6137.2013980315. The cubic root of 37665241 is about 335.2073892203.

The spelling of 37665241 in words is "thirty-seven million, six hundred sixty-five thousand, two hundred forty-one".