64026263 has 4 divisors (see below), whose sum is σ = 73172880. Its totient is φ = 54879648.

The previous prime is 64026251. The next prime is 64026289. The reversal of 64026263 is 36262046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64026263 - 2⁴ = 64026247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64026763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573298 + ... + 4573311.

It is an arithmetic number, because the mean of its divisors is an integer number (18293220).

Almost surely, 2^64026263 is an apocalyptic number.

64026263 is a deficient number, since it is larger than the sum of its proper divisors (9146617).

64026263 is an equidigital number, since it uses as much as digits as its factorization.

64026263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146616.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 64026263 is about 8001.6412691397. The cubic root of 64026263 is about 400.0547071008.

The spelling of 64026263 in words is "sixty-four million, twenty-six thousand, two hundred sixty-three".