63422137 has 2 divisors, whose sum is σ = 63422138. Its totient is φ = 63422136.

The previous prime is 63422131. The next prime is 63422141. The reversal of 63422137 is 73122436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61402896 + 2019241 = 7836^2 + 1421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63422137 is a prime.

It is not a weakly prime, because it can be changed into another prime (63422131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711068 + 31711069.

It is an arithmetic number, because the mean of its divisors is an integer number (31711069).

Almost surely, 2^63422137 is an apocalyptic number.

It is an amenable number.

63422137 is a deficient number, since it is larger than the sum of its proper divisors (1).

63422137 is an equidigital number, since it uses as much as digits as its factorization.

63422137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 63422137 is about 7963.8016675455. The cubic root of 63422137 is about 398.7924771395.

The spelling of 63422137 in words is "sixty-three million, four hundred twenty-two thousand, one hundred thirty-seven".