64260403 has 4 divisors (see below), whose sum is σ = 64982520. Its totient is φ = 63538288.

The previous prime is 64260401. The next prime is 64260439. The reversal of 64260403 is 30406246.

64260403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64260403 - 2¹ = 64260401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64260401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 360925 + ... + 361102.

It is an arithmetic number, because the mean of its divisors is an integer number (16245630).

Almost surely, 2^64260403 is an apocalyptic number.

64260403 is a deficient number, since it is larger than the sum of its proper divisors (722117).

64260403 is an equidigital number, since it uses as much as digits as its factorization.

64260403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722116.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 64260403 is about 8016.2586659863. The cubic root of 64260403 is about 400.5417721261.

Adding to 64260403 its reverse (30406246), we get a palindrome (94666649).

The spelling of 64260403 in words is "sixty-four million, two hundred sixty thousand, four hundred three".