38453197 has 2 divisors, whose sum is σ = 38453198. Its totient is φ = 38453196.

The previous prime is 38453183. The next prime is 38453227. The reversal of 38453197 is 79135483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23561316 + 14891881 = 4854^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 38453197 - 2⁷ = 38453069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38453497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226598 + 19226599.

It is an arithmetic number, because the mean of its divisors is an integer number (19226599).

Almost surely, 2^38453197 is an apocalyptic number.

It is an amenable number.

38453197 is a deficient number, since it is larger than the sum of its proper divisors (1).

38453197 is an equidigital number, since it uses as much as digits as its factorization.

38453197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 38453197 is about 6201.0641828641. The cubic root of 38453197 is about 337.5287862049.

The spelling of 38453197 in words is "thirty-eight million, four hundred fifty-three thousand, one hundred ninety-seven".