103613399 has 2 divisors, whose sum is σ = 103613400. Its totient is φ = 103613398.

The previous prime is 103613383. The next prime is 103613417. The reversal of 103613399 is 993316301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103613399 - 2⁴ = 103613383 is a prime.

It is a super-3 number, since 3×103613399³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103613309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51806699 + 51806700.

It is an arithmetic number, because the mean of its divisors is an integer number (51806700).

Almost surely, 2^103613399 is an apocalyptic number.

103613399 is a deficient number, since it is larger than the sum of its proper divisors (1).

103613399 is an equidigital number, since it uses as much as digits as its factorization.

103613399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 103613399 is about 10179.0667057447. The cubic root of 103613399 is about 469.6835035340.

The spelling of 103613399 in words is "one hundred three million, six hundred thirteen thousand, three hundred ninety-nine".