63960653 has 2 divisors, whose sum is σ = 63960654. Its totient is φ = 63960652.

The previous prime is 63960649. The next prime is 63960667. The reversal of 63960653 is 35606936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54213769 + 9746884 = 7363^2 + 3122^2 .

It is a cyclic number.

It is not a de Polignac number, because 63960653 - 2² = 63960649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63965653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31980326 + 31980327.

It is an arithmetic number, because the mean of its divisors is an integer number (31980327).

Almost surely, 2^63960653 is an apocalyptic number.

It is an amenable number.

63960653 is a deficient number, since it is larger than the sum of its proper divisors (1).

63960653 is an equidigital number, since it uses as much as digits as its factorization.

63960653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 63960653 is about 7997.5404344086. The cubic root of 63960653 is about 399.9180102787.

The spelling of 63960653 in words is "sixty-three million, nine hundred sixty thousand, six hundred fifty-three".