64456583 has 2 divisors, whose sum is σ = 64456584. Its totient is φ = 64456582.

The previous prime is 64456543. The next prime is 64456619. The reversal of 64456583 is 38565446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64456583 - 2⁶ = 64456519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64456583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64456543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32228291 + 32228292.

It is an arithmetic number, because the mean of its divisors is an integer number (32228292).

Almost surely, 2^64456583 is an apocalyptic number.

64456583 is a deficient number, since it is larger than the sum of its proper divisors (1).

64456583 is an equidigital number, since it uses as much as digits as its factorization.

64456583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 64456583 is about 8028.4857227251. The cubic root of 64456583 is about 400.9489614832.

The spelling of 64456583 in words is "sixty-four million, four hundred fifty-six thousand, five hundred eighty-three".