65028501 has 48 divisors (see below), whose sum is σ = 102368448. Its totient is φ = 41212800.

The previous prime is 65028493. The next prime is 65028529. The reversal of 65028501 is 10582056.

65028501 is a `hidden beast` number, since 650 + 2 + 8 + 5 + 0 + 1 = 666.

It is not a de Polignac number, because 65028501 - 2³ = 65028493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65028541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607690 + ... + 607796.

It is an arithmetic number, because the mean of its divisors is an integer number (2132676).

Almost surely, 2^65028501 is an apocalyptic number.

65028501 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65028501 is a deficient number, since it is larger than the sum of its proper divisors (37339947).

65028501 is a wasteful number, since it uses less digits than its factorization.

65028501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 65028501 is about 8064.0251115680. The cubic root of 65028501 is about 402.1313337870.

The spelling of 65028501 in words is "sixty-five million, twenty-eight thousand, five hundred one".