38495137 has 2 divisors, whose sum is σ = 38495138. Its totient is φ = 38495136.

The previous prime is 38495131. The next prime is 38495141. The reversal of 38495137 is 73159483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26873856 + 11621281 = 5184^2 + 3409^2 .

It is a cyclic number.

It is not a de Polignac number, because 38495137 - 2²³ = 30106529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38495137.

It is not a weakly prime, because it can be changed into another prime (38495131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19247568 + 19247569.

It is an arithmetic number, because the mean of its divisors is an integer number (19247569).

Almost surely, 2^38495137 is an apocalyptic number.

It is an amenable number.

38495137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38495137 is an equidigital number, since it uses as much as digits as its factorization.

38495137 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 38495137 is about 6204.4449389127. Note that the first 3 decimals coincide. The cubic root of 38495137 is about 337.6514531957.

The spelling of 38495137 in words is "thirty-eight million, four hundred ninety-five thousand, one hundred thirty-seven".