38901133 has 2 divisors, whose sum is σ = 38901134. Its totient is φ = 38901132.

The previous prime is 38901131. The next prime is 38901139. The reversal of 38901133 is 33110983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22401289 + 16499844 = 4733^2 + 4062^2 .

It is a cyclic number.

It is not a de Polignac number, because 38901133 - 2¹ = 38901131 is a prime.

Together with 38901131, it forms a pair of twin primes.

It is equal to p_2370763 and since 38901133 and 2370763 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38901131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19450566 + 19450567.

It is an arithmetic number, because the mean of its divisors is an integer number (19450567).

Almost surely, 2^38901133 is an apocalyptic number.

It is an amenable number.

38901133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38901133 is an equidigital number, since it uses as much as digits as its factorization.

38901133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 38901133 is about 6237.0772802652. The cubic root of 38901133 is about 338.8343386452.

The spelling of 38901133 in words is "thirty-eight million, nine hundred one thousand, one hundred thirty-three".