38575613 has 2 divisors, whose sum is σ = 38575614. Its totient is φ = 38575612.

The previous prime is 38575549. The next prime is 38575631. The reversal of 38575613 is 31657583.

Together with next prime (38575631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30946969 + 7628644 = 5563^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 38575613 - 2⁶ = 38575549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38575633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19287806 + 19287807.

It is an arithmetic number, because the mean of its divisors is an integer number (19287807).

Almost surely, 2^38575613 is an apocalyptic number.

It is an amenable number.

38575613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38575613 is an equidigital number, since it uses as much as digits as its factorization.

38575613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 38575613 is about 6210.9269034501. The cubic root of 38575613 is about 337.8865818123.

The spelling of 38575613 in words is "thirty-eight million, five hundred seventy-five thousand, six hundred thirteen".