63287669 has 2 divisors, whose sum is σ = 63287670. Its totient is φ = 63287668.

The previous prime is 63287621. The next prime is 63287677. The reversal of 63287669 is 96678236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 16200625 = 6862^2 + 4025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63287669 is a prime.

It is a super-2 number, since 2×63287669² = 8010658094907122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63287699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31643834 + 31643835.

It is an arithmetic number, because the mean of its divisors is an integer number (31643835).

Almost surely, 2^63287669 is an apocalyptic number.

It is an amenable number.

63287669 is a deficient number, since it is larger than the sum of its proper divisors (1).

63287669 is an equidigital number, since it uses as much as digits as its factorization.

63287669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 63287669 is about 7955.3547375337. The cubic root of 63287669 is about 398.5104369738.

The spelling of 63287669 in words is "sixty-three million, two hundred eighty-seven thousand, six hundred sixty-nine".