38273197 has 2 divisors, whose sum is σ = 38273198. Its totient is φ = 38273196.

The previous prime is 38273177. The next prime is 38273269. The reversal of 38273197 is 79137283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32421636 + 5851561 = 5694^2 + 2419^2 .

It is an emirp because it is prime and its reverse (79137283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38273197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38273117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19136598 + 19136599.

It is an arithmetic number, because the mean of its divisors is an integer number (19136599).

Almost surely, 2^38273197 is an apocalyptic number.

It is an amenable number.

38273197 is a deficient number, since it is larger than the sum of its proper divisors (1).

38273197 is an equidigital number, since it uses as much as digits as its factorization.

38273197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 38273197 is about 6186.5335204782. The cubic root of 38273197 is about 337.0013031675.

The spelling of 38273197 in words is "thirty-eight million, two hundred seventy-three thousand, one hundred ninety-seven".