65428504 has 8 divisors (see below), whose sum is σ = 122678460. Its totient is φ = 32714248.

The previous prime is 65428501. The next prime is 65428523. The reversal of 65428504 is 40582456.

65428504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 65428504.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4089274 + ... + 4089289.

Almost surely, 2^65428504 is an apocalyptic number.

It is an amenable number.

65428504 is a deficient number, since it is larger than the sum of its proper divisors (57249956).

65428504 is a wasteful number, since it uses less digits than its factorization.

65428504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178569 (or 8178565 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 65428504 is about 8088.7887844844. The cubic root of 65428504 is about 402.9541783638.

The spelling of 65428504 in words is "sixty-five million, four hundred twenty-eight thousand, five hundred four".