63609047 has 2 divisors, whose sum is σ = 63609048. Its totient is φ = 63609046.

The previous prime is 63608981. The next prime is 63609067. The reversal of 63609047 is 74090636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63609047 - 2⁸ = 63608791 is a prime.

It is a super-2 number, since 2×63609047² = 8092221720496418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63608998 and 63609016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63609067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31804523 + 31804524.

It is an arithmetic number, because the mean of its divisors is an integer number (31804524).

Almost surely, 2^63609047 is an apocalyptic number.

63609047 is a deficient number, since it is larger than the sum of its proper divisors (1).

63609047 is an equidigital number, since it uses as much as digits as its factorization.

63609047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 63609047 is about 7975.5280075992. The cubic root of 63609047 is about 399.1838504658.

The spelling of 63609047 in words is "sixty-three million, six hundred nine thousand, forty-seven".