63575951 has 2 divisors, whose sum is σ = 63575952. Its totient is φ = 63575950.

The previous prime is 63575929. The next prime is 63575987. The reversal of 63575951 is 15957536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63575951 - 2¹⁸ = 63313807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63575899 and 63575908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63575921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31787975 + 31787976.

It is an arithmetic number, because the mean of its divisors is an integer number (31787976).

Almost surely, 2^63575951 is an apocalyptic number.

63575951 is a deficient number, since it is larger than the sum of its proper divisors (1).

63575951 is an equidigital number, since it uses as much as digits as its factorization.

63575951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 41.

The square root of 63575951 is about 7973.4528906867. The cubic root of 63575951 is about 399.1146062240.

The spelling of 63575951 in words is "sixty-three million, five hundred seventy-five thousand, nine hundred fifty-one".