63576949 has 2 divisors, whose sum is σ = 63576950. Its totient is φ = 63576948.

The previous prime is 63576943. The next prime is 63576973. The reversal of 63576949 is 94967536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61074225 + 2502724 = 7815^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 63576949 - 2⁹ = 63576437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63576943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31788474 + 31788475.

It is an arithmetic number, because the mean of its divisors is an integer number (31788475).

Almost surely, 2^63576949 is an apocalyptic number.

It is an amenable number.

63576949 is a deficient number, since it is larger than the sum of its proper divisors (1).

63576949 is an equidigital number, since it uses as much as digits as its factorization.

63576949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 49.

The square root of 63576949 is about 7973.5154731147. The cubic root of 63576949 is about 399.1166946148.

The spelling of 63576949 in words is "sixty-three million, five hundred seventy-six thousand, nine hundred forty-nine".