64298505 has 16 divisors (see below), whose sum is σ = 108929664. Its totient is φ = 32275200.

The previous prime is 64298497. The next prime is 64298543. The reversal of 64298505 is 50589246.

64298505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64298505 - 2³ = 64298497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125821 + ... + 126330.

It is an arithmetic number, because the mean of its divisors is an integer number (6808104).

Almost surely, 2^64298505 is an apocalyptic number.

It is an amenable number.

64298505 is a deficient number, since it is larger than the sum of its proper divisors (44631159).

64298505 is a wasteful number, since it uses less digits than its factorization.

64298505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252176.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 64298505 is about 8018.6348588772. The cubic root of 64298505 is about 400.6209210605.

The spelling of 64298505 in words is "sixty-four million, two hundred ninety-eight thousand, five hundred five".