63562973 has 2 divisors, whose sum is σ = 63562974. Its totient is φ = 63562972.

The previous prime is 63562943. The next prime is 63562981. The reversal of 63562973 is 37926536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47706649 + 15856324 = 6907^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 63562973 - 2⁶ = 63562909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63562973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63562943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31781486 + 31781487.

It is an arithmetic number, because the mean of its divisors is an integer number (31781487).

Almost surely, 2^63562973 is an apocalyptic number.

It is an amenable number.

63562973 is a deficient number, since it is larger than the sum of its proper divisors (1).

63562973 is an equidigital number, since it uses as much as digits as its factorization.

63562973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 41.

The square root of 63562973 is about 7972.6390235605. The cubic root of 63562973 is about 399.0874467831.

The spelling of 63562973 in words is "sixty-three million, five hundred sixty-two thousand, nine hundred seventy-three".