63140269 has 2 divisors, whose sum is σ = 63140270. Its totient is φ = 63140268.

The previous prime is 63140243. The next prime is 63140291. The reversal of 63140269 is 96204136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 23639044 = 6285^2 + 4862^2 .

It is a cyclic number.

It is not a de Polignac number, because 63140269 - 2⁵ = 63140237 is a prime.

It is a super-2 number, since 2×63140269² = 7973387138784722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63140269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63140239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570134 + 31570135.

It is an arithmetic number, because the mean of its divisors is an integer number (31570135).

Almost surely, 2^63140269 is an apocalyptic number.

It is an amenable number.

63140269 is a deficient number, since it is larger than the sum of its proper divisors (1).

63140269 is an equidigital number, since it uses as much as digits as its factorization.

63140269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 63140269 is about 7946.0851367198. The cubic root of 63140269 is about 398.2008132007.

The spelling of 63140269 in words is "sixty-three million, one hundred forty thousand, two hundred sixty-nine".