38479613 has 2 divisors, whose sum is σ = 38479614. Its totient is φ = 38479612.

The previous prime is 38479591. The next prime is 38479631. The reversal of 38479613 is 31697483.

Together with next prime (38479631) 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., 31787044 + 6692569 = 5638^2 + 2587^2 .

It is an emirp because it is prime and its reverse (31697483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38479613 - 2¹² = 38475517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38479213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19239806 + 19239807.

It is an arithmetic number, because the mean of its divisors is an integer number (19239807).

Almost surely, 2^38479613 is an apocalyptic number.

It is an amenable number.

38479613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38479613 is an equidigital number, since it uses as much as digits as its factorization.

38479613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 38479613 is about 6203.1937741779. The cubic root of 38479613 is about 337.6060586660.

It can be divided in two parts, 384 and 79613, that added together give a palindrome (79997).

The spelling of 38479613 in words is "thirty-eight million, four hundred seventy-nine thousand, six hundred thirteen".