37161601 has 2 divisors, whose sum is σ = 37161602. Its totient is φ = 37161600.

The previous prime is 37161569. The next prime is 37161667. The reversal of 37161601 is 10616173.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 7568001 = 5440^2 + 2751^2 .

It is an emirp because it is prime and its reverse (10616173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37161601 - 2⁵ = 37161569 is a prime.

It is not a weakly prime, because it can be changed into another prime (37161001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18580800 + 18580801.

It is an arithmetic number, because the mean of its divisors is an integer number (18580801).

Almost surely, 2^37161601 is an apocalyptic number.

It is an amenable number.

37161601 is a deficient number, since it is larger than the sum of its proper divisors (1).

37161601 is an equidigital number, since it uses as much as digits as its factorization.

37161601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 37161601 is about 6096.0315780022. The cubic root of 37161601 is about 333.7066070664.

Adding to 37161601 its reverse (10616173), we get a palindrome (47777774).

The spelling of 37161601 in words is "thirty-seven million, one hundred sixty-one thousand, six hundred one".