64290563 has 2 divisors, whose sum is σ = 64290564. Its totient is φ = 64290562.

The previous prime is 64290557. The next prime is 64290607. The reversal of 64290563 is 36509246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64290563 - 2¹⁰ = 64289539 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (64290503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32145281 + 32145282.

It is an arithmetic number, because the mean of its divisors is an integer number (32145282).

Almost surely, 2^64290563 is an apocalyptic number.

64290563 is a deficient number, since it is larger than the sum of its proper divisors (1).

64290563 is an equidigital number, since it uses as much as digits as its factorization.

64290563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 64290563 is about 8018.1396221318. The cubic root of 64290563 is about 400.6044257969.

The spelling of 64290563 in words is "sixty-four million, two hundred ninety thousand, five hundred sixty-three".