64764523 has 2 divisors, whose sum is σ = 64764524. Its totient is φ = 64764522.

The previous prime is 64764517. The next prime is 64764529. The reversal of 64764523 is 32546746.

It is a balanced prime because it is at equal distance from previous prime (64764517) and next prime (64764529).

It is a cyclic number.

It is not a de Polignac number, because 64764523 - 2¹⁷ = 64633451 is a prime.

It is not a weakly prime, because it can be changed into another prime (64764529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32382261 + 32382262.

It is an arithmetic number, because the mean of its divisors is an integer number (32382262).

Almost surely, 2^64764523 is an apocalyptic number.

64764523 is a deficient number, since it is larger than the sum of its proper divisors (1).

64764523 is an equidigital number, since it uses as much as digits as its factorization.

64764523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 64764523 is about 8047.6408344309. The cubic root of 64764523 is about 401.5864558263.

The spelling of 64764523 in words is "sixty-four million, seven hundred sixty-four thousand, five hundred twenty-three".