8103749 has 2 divisors, whose sum is σ = 8103750. Its totient is φ = 8103748.

The previous prime is 8103721. The next prime is 8103757. The reversal of 8103749 is 9473018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6300100 + 1803649 = 2510^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 8103749 - 2¹² = 8099653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8103769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051874 + 4051875.

It is an arithmetic number, because the mean of its divisors is an integer number (4051875).

Almost surely, 2^8103749 is an apocalyptic number.

It is an amenable number.

8103749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8103749 is an equidigital number, since it uses as much as digits as its factorization.

8103749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 8103749 is about 2846.7084501227. The cubic root of 8103749 is about 200.8608642473.

The spelling of 8103749 in words is "eight million, one hundred three thousand, seven hundred forty-nine".