37640249 has 2 divisors, whose sum is σ = 37640250. Its totient is φ = 37640248.

The previous prime is 37640221. The next prime is 37640321. The reversal of 37640249 is 94204673.

37640249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30880249 + 6760000 = 5557^2 + 2600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37640249 is a prime.

It is equal to p_2298419 and since 37640249 and 2298419 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (37640219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18820124 + 18820125.

It is an arithmetic number, because the mean of its divisors is an integer number (18820125).

Almost surely, 2^37640249 is an apocalyptic number.

It is an amenable number.

37640249 is a deficient number, since it is larger than the sum of its proper divisors (1).

37640249 is an equidigital number, since it uses as much as digits as its factorization.

37640249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 37640249 is about 6135.1649529577. The cubic root of 37640249 is about 335.1332328147.

The spelling of 37640249 in words is "thirty-seven million, six hundred forty thousand, two hundred forty-nine".