38137249 has 2 divisors, whose sum is σ = 38137250. Its totient is φ = 38137248.

The previous prime is 38137217. The next prime is 38137277. The reversal of 38137249 is 94273183.

38137249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38044224 + 93025 = 6168^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 38137249 - 2⁵ = 38137217 is a prime.

It is a super-2 number, since 2×38137249² = 2908899522576002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38137049) 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, 19068624 + 19068625.

It is an arithmetic number, because the mean of its divisors is an integer number (19068625).

Almost surely, 2^38137249 is an apocalyptic number.

It is an amenable number.

38137249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38137249 is an equidigital number, since it uses as much as digits as its factorization.

38137249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 38137249 is about 6175.5363329836. The cubic root of 38137249 is about 336.6018155430.

The spelling of 38137249 in words is "thirty-eight million, one hundred thirty-seven thousand, two hundred forty-nine".