38355137 has 2 divisors, whose sum is σ = 38355138. Its totient is φ = 38355136.

The previous prime is 38355089. The next prime is 38355181. The reversal of 38355137 is 73155383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36529936 + 1825201 = 6044^2 + 1351^2 .

It is a cyclic number.

It is not a de Polignac number, because 38355137 - 2⁶ = 38355073 is a prime.

It is a super-2 number, since 2×38355137² = 2942233068577538, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38355097 and 38355106.

It is not a weakly prime, because it can be changed into another prime (38355637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19177568 + 19177569.

It is an arithmetic number, because the mean of its divisors is an integer number (19177569).

Almost surely, 2^38355137 is an apocalyptic number.

It is an amenable number.

38355137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38355137 is an equidigital number, since it uses as much as digits as its factorization.

38355137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 38355137 is about 6193.1524282872. The cubic root of 38355137 is about 337.2416297837.

The spelling of 38355137 in words is "thirty-eight million, three hundred fifty-five thousand, one hundred thirty-seven".