63901403 has 2 divisors, whose sum is σ = 63901404. Its totient is φ = 63901402.

The previous prime is 63901399. The next prime is 63901417. The reversal of 63901403 is 30410936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63901403 - 2² = 63901399 is a prime.

It is not a weakly prime, because it can be changed into another prime (63901423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31950701 + 31950702.

It is an arithmetic number, because the mean of its divisors is an integer number (31950702).

Almost surely, 2^63901403 is an apocalyptic number.

63901403 is a deficient number, since it is larger than the sum of its proper divisors (1).

63901403 is an equidigital number, since it uses as much as digits as its factorization.

63901403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 63901403 is about 7993.8353122891. The cubic root of 63901403 is about 399.7944840094.

The spelling of 63901403 in words is "sixty-three million, nine hundred one thousand, four hundred three".