63105373 has 2 divisors, whose sum is σ = 63105374. Its totient is φ = 63105372.

The previous prime is 63105359. The next prime is 63105391. The reversal of 63105373 is 37350136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 15038884 = 6933^2 + 3878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63105373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63105323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31552686 + 31552687.

It is an arithmetic number, because the mean of its divisors is an integer number (31552687).

Almost surely, 2^63105373 is an apocalyptic number.

It is an amenable number.

63105373 is a deficient number, since it is larger than the sum of its proper divisors (1).

63105373 is an equidigital number, since it uses as much as digits as its factorization.

63105373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 63105373 is about 7943.8890349752. The cubic root of 63105373 is about 398.1274412386.

It can be divided in two parts, 631053 and 73, that added together give a triangular number (631126 = T₁₁₂₃).

The spelling of 63105373 in words is "sixty-three million, one hundred five thousand, three hundred seventy-three".