38164961 has 2 divisors, whose sum is σ = 38164962. Its totient is φ = 38164960.

The previous prime is 38164943. The next prime is 38164967. The reversal of 38164961 is 16946183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 15649936 = 4745^2 + 3956^2 .

It is an emirp because it is prime and its reverse (16946183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38164961 - 2¹⁴ = 38148577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38164967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19082480 + 19082481.

It is an arithmetic number, because the mean of its divisors is an integer number (19082481).

Almost surely, 2^38164961 is an apocalyptic number.

It is an amenable number.

38164961 is a deficient number, since it is larger than the sum of its proper divisors (1).

38164961 is an equidigital number, since it uses as much as digits as its factorization.

38164961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 38164961 is about 6177.7796173059. The cubic root of 38164961 is about 336.6833251024.

The spelling of 38164961 in words is "thirty-eight million, one hundred sixty-four thousand, nine hundred sixty-one".