38475091 has 2 divisors, whose sum is σ = 38475092. Its totient is φ = 38475090.

The previous prime is 38475089. The next prime is 38475119. The reversal of 38475091 is 19057483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38475091 - 2¹ = 38475089 is a prime.

Together with 38475089, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38475091.

It is not a weakly prime, because it can be changed into another prime (38475011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19237545 + 19237546.

It is an arithmetic number, because the mean of its divisors is an integer number (19237546).

Almost surely, 2^38475091 is an apocalyptic number.

38475091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38475091 is an equidigital number, since it uses as much as digits as its factorization.

38475091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 38475091 is about 6202.8292738072. The cubic root of 38475091 is about 337.5928333562.

The spelling of 38475091 in words is "thirty-eight million, four hundred seventy-five thousand, ninety-one".