97502528 has 56 divisors (see below), whose sum is σ = 205252320. Its totient is φ = 45826560.

The previous prime is 97502527. The next prime is 97502539. The reversal of 97502528 is 82520579.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 97502491 and 97502500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97502521) 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 in 7 ways as a sum of consecutive naturals, for example, 219875 + ... + 220317.

It is an arithmetic number, because the mean of its divisors is an integer number (3665220).

Almost surely, 2^97502528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97502528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102626160).

97502528 is an abundant number, since it is smaller than the sum of its proper divisors (107749792).

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

97502528 is a wasteful number, since it uses less digits than its factorization.

97502528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 97502528 is about 9874.3368384920. The cubic root of 97502528 is about 460.2621819811.

The spelling of 97502528 in words is "ninety-seven million, five hundred two thousand, five hundred twenty-eight".