63512903 has 2 divisors, whose sum is σ = 63512904. Its totient is φ = 63512902.

The previous prime is 63512887. The next prime is 63512909. The reversal of 63512903 is 30921536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63512903 - 2⁴ = 63512887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63512909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31756451 + 31756452.

It is an arithmetic number, because the mean of its divisors is an integer number (31756452).

Almost surely, 2^63512903 is an apocalyptic number.

63512903 is a deficient number, since it is larger than the sum of its proper divisors (1).

63512903 is an equidigital number, since it uses as much as digits as its factorization.

63512903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 63512903 is about 7969.4982903568. The cubic root of 63512903 is about 398.9826291686.

The spelling of 63512903 in words is "sixty-three million, five hundred twelve thousand, nine hundred three".