37243397 has 2 divisors, whose sum is σ = 37243398. Its totient is φ = 37243396.

The previous prime is 37243361. The next prime is 37243421. The reversal of 37243397 is 79334273.

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., 32787076 + 4456321 = 5726^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 37243397 - 2⁶ = 37243333 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37243397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37242397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18621698 + 18621699.

It is an arithmetic number, because the mean of its divisors is an integer number (18621699).

Almost surely, 2^37243397 is an apocalyptic number.

It is an amenable number.

37243397 is a deficient number, since it is larger than the sum of its proper divisors (1).

37243397 is an equidigital number, since it uses as much as digits as its factorization.

37243397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 38.

The square root of 37243397 is about 6102.7368450557. The cubic root of 37243397 is about 333.9512669884.

The spelling of 37243397 in words is "thirty-seven million, two hundred forty-three thousand, three hundred ninety-seven".