63272509 has 2 divisors, whose sum is σ = 63272510. Its totient is φ = 63272508.

The previous prime is 63272467. The next prime is 63272537. The reversal of 63272509 is 90527236.

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., 54804409 + 8468100 = 7403^2 + 2910^2 .

It is a cyclic number.

It is not a de Polignac number, because 63272509 - 2¹⁵ = 63239741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63272549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31636254 + 31636255.

It is an arithmetic number, because the mean of its divisors is an integer number (31636255).

Almost surely, 2^63272509 is an apocalyptic number.

It is an amenable number.

63272509 is a deficient number, since it is larger than the sum of its proper divisors (1).

63272509 is an equidigital number, since it uses as much as digits as its factorization.

63272509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 63272509 is about 7954.4018631196. The cubic root of 63272509 is about 398.4786145521.

It can be divided in two parts, 6327 and 2509, that added together give a square (8836 = 94²).

The spelling of 63272509 in words is "sixty-three million, two hundred seventy-two thousand, five hundred nine".