63009761 has 2 divisors, whose sum is σ = 63009762. Its totient is φ = 63009760.

The previous prime is 63009707. The next prime is 63009787. The reversal of 63009761 is 16790036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61701025 + 1308736 = 7855^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 63009761 - 2⁶ = 63009697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63000761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31504880 + 31504881.

It is an arithmetic number, because the mean of its divisors is an integer number (31504881).

Almost surely, 2^63009761 is an apocalyptic number.

It is an amenable number.

63009761 is a deficient number, since it is larger than the sum of its proper divisors (1).

63009761 is an equidigital number, since it uses as much as digits as its factorization.

63009761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 63009761 is about 7937.8687945821. The cubic root of 63009761 is about 397.9262697694.

Adding to 63009761 its reverse (16790036), we get a palindrome (79799797).

It can be divided in two parts, 6300 and 9761, that added together give a palindrome (16061).

The spelling of 63009761 in words is "sixty-three million, nine thousand, seven hundred sixty-one".