38368313 has 2 divisors, whose sum is σ = 38368314. Its totient is φ = 38368312.

The previous prime is 38368307. The next prime is 38368331. The reversal of 38368313 is 31386383.

Together with next prime (38368331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32569849 + 5798464 = 5707^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 38368313 - 2²² = 34174009 is a prime.

It is not a weakly prime, because it can be changed into another prime (38368373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19184156 + 19184157.

It is an arithmetic number, because the mean of its divisors is an integer number (19184157).

Almost surely, 2^38368313 is an apocalyptic number.

It is an amenable number.

38368313 is a deficient number, since it is larger than the sum of its proper divisors (1).

38368313 is an equidigital number, since it uses as much as digits as its factorization.

38368313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 38368313 is about 6194.2160924527. The cubic root of 38368313 is about 337.2802424906.

The spelling of 38368313 in words is "thirty-eight million, three hundred sixty-eight thousand, three hundred thirteen".