63520367 has 2 divisors, whose sum is σ = 63520368. Its totient is φ = 63520366.

The previous prime is 63520307. The next prime is 63520399. The reversal of 63520367 is 76302536.

It is an a-pointer prime, because the next prime (63520399) can be obtained adding 63520367 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63520367 - 2¹⁴ = 63503983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63520307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31760183 + 31760184.

It is an arithmetic number, because the mean of its divisors is an integer number (31760184).

Almost surely, 2^63520367 is an apocalyptic number.

63520367 is a deficient number, since it is larger than the sum of its proper divisors (1).

63520367 is an equidigital number, since it uses as much as digits as its factorization.

63520367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 63520367 is about 7969.9665620378. The cubic root of 63520367 is about 398.9982579598.

The spelling of 63520367 in words is "sixty-three million, five hundred twenty thousand, three hundred sixty-seven".