64356263 has 2 divisors, whose sum is σ = 64356264. Its totient is φ = 64356262.

The previous prime is 64356137. The next prime is 64356293. The reversal of 64356263 is 36265346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64356263 - 2¹⁴ = 64339879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64356293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32178131 + 32178132.

It is an arithmetic number, because the mean of its divisors is an integer number (32178132).

Almost surely, 2^64356263 is an apocalyptic number.

64356263 is a deficient number, since it is larger than the sum of its proper divisors (1).

64356263 is an equidigital number, since it uses as much as digits as its factorization.

64356263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 35.

The square root of 64356263 is about 8022.2355363078. The cubic root of 64356263 is about 400.7408416205.

The spelling of 64356263 in words is "sixty-four million, three hundred fifty-six thousand, two hundred sixty-three".