37243109 has 2 divisors, whose sum is σ = 37243110. Its totient is φ = 37243108.

The previous prime is 37243099. The next prime is 37243133. The reversal of 37243109 is 90134273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 15880225 = 4622^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 37243109 - 2⁸ = 37242853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37243159) 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, 18621554 + 18621555.

It is an arithmetic number, because the mean of its divisors is an integer number (18621555).

Almost surely, 2^37243109 is an apocalyptic number.

It is an amenable number.

37243109 is a deficient number, since it is larger than the sum of its proper divisors (1).

37243109 is an equidigital number, since it uses as much as digits as its factorization.

37243109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 37243109 is about 6102.7132490393. The cubic root of 37243109 is about 333.9504061806.

The spelling of 37243109 in words is "thirty-seven million, two hundred forty-three thousand, one hundred nine".