103945477 has 2 divisors, whose sum is σ = 103945478. Its totient is φ = 103945476.

The previous prime is 103945459. The next prime is 103945481. The reversal of 103945477 is 774549301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86229796 + 17715681 = 9286^2 + 4209^2 .

It is an emirp because it is prime and its reverse (774549301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103945477 - 2¹¹ = 103943429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103945417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51972738 + 51972739.

It is an arithmetic number, because the mean of its divisors is an integer number (51972739).

Almost surely, 2^103945477 is an apocalyptic number.

It is an amenable number.

103945477 is a deficient number, since it is larger than the sum of its proper divisors (1).

103945477 is an equidigital number, since it uses as much as digits as its factorization.

103945477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 103945477 is about 10195.3654667207. The cubic root of 103945477 is about 470.1847425240.

The spelling of 103945477 in words is "one hundred three million, nine hundred forty-five thousand, four hundred seventy-seven".