65428503 has 8 divisors (see below), whose sum is σ = 99700608. Its totient is φ = 37387704.

The previous prime is 65428501. The next prime is 65428523. The reversal of 65428503 is 30582456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65428503 - 2¹ = 65428501 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65428501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557801 + ... + 1557842.

It is an arithmetic number, because the mean of its divisors is an integer number (12462576).

Almost surely, 2^65428503 is an apocalyptic number.

65428503 is a deficient number, since it is larger than the sum of its proper divisors (34272105).

65428503 is a wasteful number, since it uses less digits than its factorization.

65428503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115653.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 65428503 is about 8088.7887226704. The cubic root of 65428503 is about 402.9541763109.

The spelling of 65428503 in words is "sixty-five million, four hundred twenty-eight thousand, five hundred three".