38866253 has 2 divisors, whose sum is σ = 38866254. Its totient is φ = 38866252.

The previous prime is 38866249. The next prime is 38866271. The reversal of 38866253 is 35266883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36264484 + 2601769 = 6022^2 + 1613^2 .

It is a cyclic number.

It is not a de Polignac number, because 38866253 - 2² = 38866249 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 38866253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38866213) 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, 19433126 + 19433127.

It is an arithmetic number, because the mean of its divisors is an integer number (19433127).

Almost surely, 2^38866253 is an apocalyptic number.

It is an amenable number.

38866253 is a deficient number, since it is larger than the sum of its proper divisors (1).

38866253 is an equidigital number, since it uses as much as digits as its factorization.

38866253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 38866253 is about 6234.2804717144. The cubic root of 38866253 is about 338.7330384612.

The spelling of 38866253 in words is "thirty-eight million, eight hundred sixty-six thousand, two hundred fifty-three".