63374609 has 2 divisors, whose sum is σ = 63374610. Its totient is φ = 63374608.

The previous prime is 63374603. The next prime is 63374611. The reversal of 63374609 is 90647336.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 11937025 = 7172^2 + 3455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63374609 is a prime.

It is a Sophie Germain prime.

Together with 63374611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63374603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31687304 + 31687305.

It is an arithmetic number, because the mean of its divisors is an integer number (31687305).

Almost surely, 2^63374609 is an apocalyptic number.

It is an amenable number.

63374609 is a deficient number, since it is larger than the sum of its proper divisors (1).

63374609 is an equidigital number, since it uses as much as digits as its factorization.

63374609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 63374609 is about 7960.8171063026. The cubic root of 63374609 is about 398.6928350359.

The spelling of 63374609 in words is "sixty-three million, three hundred seventy-four thousand, six hundred nine".