64536751 has 2 divisors, whose sum is σ = 64536752. Its totient is φ = 64536750.

The previous prime is 64536739. The next prime is 64536763. The reversal of 64536751 is 15763546.

It is a balanced prime because it is at equal distance from previous prime (64536739) and next prime (64536763).

It is a cyclic number.

It is not a de Polignac number, because 64536751 - 2⁷ = 64536623 is a prime.

It is equal to p_3814948 and since 64536751 and 3814948 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64536751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64537751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32268375 + 32268376.

It is an arithmetic number, because the mean of its divisors is an integer number (32268376).

Almost surely, 2^64536751 is an apocalyptic number.

64536751 is a deficient number, since it is larger than the sum of its proper divisors (1).

64536751 is an equidigital number, since it uses as much as digits as its factorization.

64536751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 64536751 is about 8033.4768935997. The cubic root of 64536751 is about 401.1151196317.

The spelling of 64536751 in words is "sixty-four million, five hundred thirty-six thousand, seven hundred fifty-one".