37320113 has 2 divisors, whose sum is σ = 37320114. Its totient is φ = 37320112.

The previous prime is 37320097. The next prime is 37320119. The reversal of 37320113 is 31102373.

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., 36385024 + 935089 = 6032^2 + 967^2 .

It is a cyclic number.

It is not a de Polignac number, because 37320113 - 2⁴ = 37320097 is a prime.

It is a super-3 number, since 3×37320113³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (37320119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18660056 + 18660057.

It is an arithmetic number, because the mean of its divisors is an integer number (18660057).

Almost surely, 2^37320113 is an apocalyptic number.

It is an amenable number.

37320113 is a deficient number, since it is larger than the sum of its proper divisors (1).

37320113 is an equidigital number, since it uses as much as digits as its factorization.

37320113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 37320113 is about 6109.0189883483. The cubic root of 37320113 is about 334.1804067984.

Adding to 37320113 its reverse (31102373), we get a palindrome (68422486).

The spelling of 37320113 in words is "thirty-seven million, three hundred twenty thousand, one hundred thirteen".