64254889 has 2 divisors, whose sum is σ = 64254890. Its totient is φ = 64254888.

The previous prime is 64254871. The next prime is 64254959. The reversal of 64254889 is 98845246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34715664 + 29539225 = 5892^2 + 5435^2 .

It is a cyclic number.

It is not a de Polignac number, because 64254889 - 2¹¹ = 64252841 is a prime.

It is not a weakly prime, because it can be changed into another prime (64254389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32127444 + 32127445.

It is an arithmetic number, because the mean of its divisors is an integer number (32127445).

Almost surely, 2^64254889 is an apocalyptic number.

It is an amenable number.

64254889 is a deficient number, since it is larger than the sum of its proper divisors (1).

64254889 is an equidigital number, since it uses as much as digits as its factorization.

64254889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 46.

The square root of 64254889 is about 8015.9147325804. The cubic root of 64254889 is about 400.5303153534.

The spelling of 64254889 in words is "sixty-four million, two hundred fifty-four thousand, eight hundred eighty-nine".