64263061 has 2 divisors, whose sum is σ = 64263062. Its totient is φ = 64263060.

The previous prime is 64263049. The next prime is 64263071. The reversal of 64263061 is 16036246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 22982436 = 6425^2 + 4794^2 .

It is a cyclic number.

It is not a de Polignac number, because 64263061 - 2⁵ = 64263029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64263041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32131530 + 32131531.

It is an arithmetic number, because the mean of its divisors is an integer number (32131531).

Almost surely, 2^64263061 is an apocalyptic number.

It is an amenable number.

64263061 is a deficient number, since it is larger than the sum of its proper divisors (1).

64263061 is an equidigital number, since it uses as much as digits as its factorization.

64263061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 64263061 is about 8016.4244523353. The cubic root of 64263061 is about 400.5472945801.

The spelling of 64263061 in words is "sixty-four million, two hundred sixty-three thousand, sixty-one".