103782493 has 2 divisors, whose sum is σ = 103782494. Its totient is φ = 103782492.

The previous prime is 103782461. The next prime is 103782517. The reversal of 103782493 is 394287301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103184964 + 597529 = 10158^2 + 773^2 .

It is an emirp because it is prime and its reverse (394287301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103782493 - 2⁵ = 103782461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103782293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51891246 + 51891247.

It is an arithmetic number, because the mean of its divisors is an integer number (51891247).

Almost surely, 2^103782493 is an apocalyptic number.

It is an amenable number.

103782493 is a deficient number, since it is larger than the sum of its proper divisors (1).

103782493 is an equidigital number, since it uses as much as digits as its factorization.

103782493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 103782493 is about 10187.3692875050. The cubic root of 103782493 is about 469.9388678601.

The spelling of 103782493 in words is "one hundred three million, seven hundred eighty-two thousand, four hundred ninety-three".