63547223 has 2 divisors, whose sum is σ = 63547224. Its totient is φ = 63547222.

The previous prime is 63547219. The next prime is 63547259. The reversal of 63547223 is 32274536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63547223 - 2² = 63547219 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63547223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63547273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31773611 + 31773612.

It is an arithmetic number, because the mean of its divisors is an integer number (31773612).

Almost surely, 2^63547223 is an apocalyptic number.

63547223 is a deficient number, since it is larger than the sum of its proper divisors (1).

63547223 is an equidigital number, since it uses as much as digits as its factorization.

63547223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 32.

The square root of 63547223 is about 7971.6512091285. The cubic root of 63547223 is about 399.0544813305.

The spelling of 63547223 in words is "sixty-three million, five hundred forty-seven thousand, two hundred twenty-three".