8103553 has 2 divisors, whose sum is σ = 8103554. Its totient is φ = 8103552.

The previous prime is 8103547. The next prime is 8103559. The reversal of 8103553 is 3553018.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8103547) and next prime (8103559).

It can be written as a sum of positive squares in only one way, i.e., 7551504 + 552049 = 2748^2 + 743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8103553 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8103559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051776 + 4051777.

It is an arithmetic number, because the mean of its divisors is an integer number (4051777).

Almost surely, 2^8103553 is an apocalyptic number.

It is an amenable number.

8103553 is a deficient number, since it is larger than the sum of its proper divisors (1).

8103553 is an equidigital number, since it uses as much as digits as its factorization.

8103553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 8103553 is about 2846.6740241903. The cubic root of 8103553 is about 200.8592448714.

The spelling of 8103553 in words is "eight million, one hundred three thousand, five hundred fifty-three".