65298528 has 48 divisors (see below), whose sum is σ = 190456560. Its totient is φ = 21765888.

The previous prime is 65298523. The next prime is 65298529. The reversal of 65298528 is 82589256.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65298523) 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, 36925 + ... + 38652.

It is an arithmetic number, because the mean of its divisors is an integer number (3967845).

Almost surely, 2^65298528 is an apocalyptic number.

It is an amenable number.

65298528 is an abundant number, since it is smaller than the sum of its proper divisors (125158032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65298528 is a wasteful number, since it uses less digits than its factorization.

65298528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75596 (or 75582 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 65298528 is about 8080.7504601986. The cubic root of 65298528 is about 402.6871739820.

The spelling of 65298528 in words is "sixty-five million, two hundred ninety-eight thousand, five hundred twenty-eight".