65237563 has 2 divisors, whose sum is σ = 65237564. Its totient is φ = 65237562.

The previous prime is 65237561. The next prime is 65237593. The reversal of 65237563 is 36573256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65237563 - 2¹ = 65237561 is a prime.

Together with 65237561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65237561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32618781 + 32618782.

It is an arithmetic number, because the mean of its divisors is an integer number (32618782).

Almost surely, 2^65237563 is an apocalyptic number.

65237563 is a deficient number, since it is larger than the sum of its proper divisors (1).

65237563 is an equidigital number, since it uses as much as digits as its factorization.

65237563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 37.

The square root of 65237563 is about 8076.9773430411. The cubic root of 65237563 is about 402.5618139957.

The spelling of 65237563 in words is "sixty-five million, two hundred thirty-seven thousand, five hundred sixty-three".