63529387 has 2 divisors, whose sum is σ = 63529388. Its totient is φ = 63529386.

The previous prime is 63529379. The next prime is 63529399. The reversal of 63529387 is 78392536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63529387 - 2³ = 63529379 is a prime.

It is not a weakly prime, because it can be changed into another prime (63526387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31764693 + 31764694.

It is an arithmetic number, because the mean of its divisors is an integer number (31764694).

Almost surely, 2^63529387 is an apocalyptic number.

63529387 is a deficient number, since it is larger than the sum of its proper divisors (1).

63529387 is an equidigital number, since it uses as much as digits as its factorization.

63529387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 63529387 is about 7970.5324163446. The cubic root of 63529387 is about 399.0171432093.

The spelling of 63529387 in words is "sixty-three million, five hundred twenty-nine thousand, three hundred eighty-seven".