38732257 has 2 divisors, whose sum is σ = 38732258. Its totient is φ = 38732256.

The previous prime is 38732209. The next prime is 38732263. The reversal of 38732257 is 75223783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36372961 + 2359296 = 6031^2 + 1536^2 .

It is a cyclic number.

It is not a de Polignac number, because 38732257 - 2¹⁵ = 38699489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38732297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19366128 + 19366129.

It is an arithmetic number, because the mean of its divisors is an integer number (19366129).

Almost surely, 2^38732257 is an apocalyptic number.

It is an amenable number.

38732257 is a deficient number, since it is larger than the sum of its proper divisors (1).

38732257 is an equidigital number, since it uses as much as digits as its factorization.

38732257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 38732257 is about 6223.5244837632. The cubic root of 38732257 is about 338.3433161870.

The spelling of 38732257 in words is "thirty-eight million, seven hundred thirty-two thousand, two hundred fifty-seven".