63512069 has 2 divisors, whose sum is σ = 63512070. Its totient is φ = 63512068.

The previous prime is 63512027. The next prime is 63512081. The reversal of 63512069 is 96021536.

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., 38130625 + 25381444 = 6175^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 63512069 - 2¹² = 63507973 is a prime.

It is a super-2 number, since 2×63512069² = 8067565817321522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63542069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31756034 + 31756035.

It is an arithmetic number, because the mean of its divisors is an integer number (31756035).

Almost surely, 2^63512069 is an apocalyptic number.

It is an amenable number.

63512069 is a deficient number, since it is larger than the sum of its proper divisors (1).

63512069 is an equidigital number, since it uses as much as digits as its factorization.

63512069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 63512069 is about 7969.4459656867. The cubic root of 63512069 is about 398.9808827887.

The spelling of 63512069 in words is "sixty-three million, five hundred twelve thousand, sixty-nine".