63422573 has 2 divisors, whose sum is σ = 63422574. Its totient is φ = 63422572.

The previous prime is 63422537. The next prime is 63422587. The reversal of 63422573 is 37522436.

Together with previous prime (63422537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61512649 + 1909924 = 7843^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 63422573 - 2⁶ = 63422509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63422533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711286 + 31711287.

It is an arithmetic number, because the mean of its divisors is an integer number (31711287).

Almost surely, 2^63422573 is an apocalyptic number.

It is an amenable number.

63422573 is a deficient number, since it is larger than the sum of its proper divisors (1).

63422573 is an equidigital number, since it uses as much as digits as its factorization.

63422573 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 63422573 is about 7963.8290413594. The cubic root of 63422573 is about 398.7933909798.

The spelling of 63422573 in words is "sixty-three million, four hundred twenty-two thousand, five hundred seventy-three".