38561333 has 4 divisors (see below), whose sum is σ = 39193548. Its totient is φ = 37929120.

The previous prime is 38561273. The next prime is 38561351. The reversal of 38561333 is 33316583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33316583 = 17 ⋅1959799.

It can be written as a sum of positive squares in 2 ways, for example, as 8168164 + 30393169 = 2858^2 + 5513^2 .

It is a cyclic number.

It is not a de Polignac number, because 38561333 - 2⁶ = 38561269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38561333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38561233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316016 + ... + 316137.

It is an arithmetic number, because the mean of its divisors is an integer number (9798387).

Almost surely, 2^38561333 is an apocalyptic number.

It is an amenable number.

38561333 is a deficient number, since it is larger than the sum of its proper divisors (632215).

38561333 is an equidigital number, since it uses as much as digits as its factorization.

38561333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632214.

The product of its digits is 19440, while the sum is 32.

The square root of 38561333 is about 6209.7772101743. Note that the first 3 decimals coincide. The cubic root of 38561333 is about 337.8448834826.

The spelling of 38561333 in words is "thirty-eight million, five hundred sixty-one thousand, three hundred thirty-three".