64828503 has 12 divisors (see below), whose sum is σ = 95925648. Its totient is φ = 42164640.

The previous prime is 64828493. The next prime is 64828541. The reversal of 64828503 is 30582846.

64828503 is a `hidden beast` number, since 648 + 2 + 8 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 64828503 - 2¹⁶ = 64762967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64828103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87475 + ... + 88212.

It is an arithmetic number, because the mean of its divisors is an integer number (7993804).

Almost surely, 2^64828503 is an apocalyptic number.

64828503 is a deficient number, since it is larger than the sum of its proper divisors (31097145).

64828503 is a wasteful number, since it uses less digits than its factorization.

64828503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175734 (or 175731 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 64828503 is about 8051.6149311800. The cubic root of 64828503 is about 401.7186529210.

The spelling of 64828503 in words is "sixty-four million, eight hundred twenty-eight thousand, five hundred three".