63522047 has 4 divisors (see below), whose sum is σ = 67258656. Its totient is φ = 59785440.

The previous prime is 63522029. The next prime is 63522071. The reversal of 63522047 is 74022536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63522047 - 2¹⁶ = 63456511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63522077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868279 + ... + 1868312.

It is an arithmetic number, because the mean of its divisors is an integer number (16814664).

Almost surely, 2^63522047 is an apocalyptic number.

63522047 is a deficient number, since it is larger than the sum of its proper divisors (3736609).

63522047 is a wasteful number, since it uses less digits than its factorization.

63522047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736608.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 63522047 is about 7970.0719570152. The cubic root of 63522047 is about 399.0017755253.

The spelling of 63522047 in words is "sixty-three million, five hundred twenty-two thousand, forty-seven".