63535387 has 2 divisors, whose sum is σ = 63535388. Its totient is φ = 63535386.

The previous prime is 63535369. The next prime is 63535391. The reversal of 63535387 is 78353536.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63535387 - 2²³ = 55146779 is a prime.

It is not a weakly prime, because it can be changed into another prime (63535357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31767693 + 31767694.

It is an arithmetic number, because the mean of its divisors is an integer number (31767694).

Almost surely, 2^63535387 is an apocalyptic number.

63535387 is a deficient number, since it is larger than the sum of its proper divisors (1).

63535387 is an equidigital number, since it uses as much as digits as its factorization.

63535387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 63535387 is about 7970.9087938578. The cubic root of 63535387 is about 399.0297044696.

The spelling of 63535387 in words is "sixty-three million, five hundred thirty-five thousand, three hundred eighty-seven".