65057563 has 2 divisors, whose sum is σ = 65057564. Its totient is φ = 65057562.

The previous prime is 65057557. The next prime is 65057567. The reversal of 65057563 is 36575056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65057563 is a prime.

It is not a weakly prime, because it can be changed into another prime (65057567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32528781 + 32528782.

It is an arithmetic number, because the mean of its divisors is an integer number (32528782).

Almost surely, 2^65057563 is an apocalyptic number.

65057563 is a deficient number, since it is larger than the sum of its proper divisors (1).

65057563 is an equidigital number, since it uses as much as digits as its factorization.

65057563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 65057563 is about 8065.8268639985. The cubic root of 65057563 is about 402.1912306020.

The spelling of 65057563 in words is "sixty-five million, fifty-seven thousand, five hundred sixty-three".