38500249 has 2 divisors, whose sum is σ = 38500250. Its totient is φ = 38500248.

The previous prime is 38500201. The next prime is 38500279. The reversal of 38500249 is 94200583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 18429849 = 4480^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 38500249 - 2¹³ = 38492057 is a prime.

It is a super-3 number, since 3×38500249³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38500249.

It is not a weakly prime, because it can be changed into another prime (38500279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19250124 + 19250125.

It is an arithmetic number, because the mean of its divisors is an integer number (19250125).

Almost surely, 2^38500249 is an apocalyptic number.

It is an amenable number.

38500249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38500249 is an equidigital number, since it uses as much as digits as its factorization.

38500249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 38500249 is about 6204.8568879548. The cubic root of 38500249 is about 337.6663987877. Note that the first 3 decimals are identical.

The spelling of 38500249 in words is "thirty-eight million, five hundred thousand, two hundred forty-nine".