63530653 has 2 divisors, whose sum is σ = 63530654. Its totient is φ = 63530652.

The previous prime is 63530629. The next prime is 63530671. The reversal of 63530653 is 35603536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 1483524 = 7877^2 + 1218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63530653 is a prime.

It is a super-2 number, since 2×63530653² = 8072287741212818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63531653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31765326 + 31765327.

It is an arithmetic number, because the mean of its divisors is an integer number (31765327).

Almost surely, 2^63530653 is an apocalyptic number.

It is an amenable number.

63530653 is a deficient number, since it is larger than the sum of its proper divisors (1).

63530653 is an equidigital number, since it uses as much as digits as its factorization.

63530653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 63530653 is about 7970.6118334793. The cubic root of 63530653 is about 399.0197937011.

The spelling of 63530653 in words is "sixty-three million, five hundred thirty thousand, six hundred fifty-three".