103640473 has 2 divisors, whose sum is σ = 103640474. Its totient is φ = 103640472.

The previous prime is 103640431. The next prime is 103640477. The reversal of 103640473 is 374046301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103489929 + 150544 = 10173^2 + 388^2 .

It is a cyclic number.

It is not a de Polignac number, because 103640473 - 2⁹ = 103639961 is a prime.

It is a super-3 number, since 3×103640473³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103640477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51820236 + 51820237.

It is an arithmetic number, because the mean of its divisors is an integer number (51820237).

Almost surely, 2^103640473 is an apocalyptic number.

It is an amenable number.

103640473 is a deficient number, since it is larger than the sum of its proper divisors (1).

103640473 is an equidigital number, since it uses as much as digits as its factorization.

103640473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 103640473 is about 10180.3965050483. The cubic root of 103640473 is about 469.7244091308.

Adding to 103640473 its reverse (374046301), we get a palindrome (477686774).

The spelling of 103640473 in words is "one hundred three million, six hundred forty thousand, four hundred seventy-three".