37021249 has 2 divisors, whose sum is σ = 37021250. Its totient is φ = 37021248.

The previous prime is 37021213. The next prime is 37021273. The reversal of 37021249 is 94212073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 1404225 = 5968^2 + 1185^2 .

It is an emirp because it is prime and its reverse (94212073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37021249 - 2¹⁹ = 36496961 is a prime.

It is not a weakly prime, because it can be changed into another prime (37021549) 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, 18510624 + 18510625.

It is an arithmetic number, because the mean of its divisors is an integer number (18510625).

Almost surely, 2^37021249 is an apocalyptic number.

It is an amenable number.

37021249 is a deficient number, since it is larger than the sum of its proper divisors (1).

37021249 is an equidigital number, since it uses as much as digits as its factorization.

37021249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 37021249 is about 6084.5089366357. The cubic root of 37021249 is about 333.2859624906.

The spelling of 37021249 in words is "thirty-seven million, twenty-one thousand, two hundred forty-nine".