97530 has 16 divisors (see below), whose sum is σ = 234144. Its totient is φ = 26000.

The previous prime is 97523. The next prime is 97547. The reversal of 97530 is 3579.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 97530.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 97530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (14634).

2⁹⁷⁵³⁰ is an apocalyptic number.

97530 is an abundant number, since it is smaller than the sum of its proper divisors (136614).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117072).

97530 is a wasteful number, since it uses less digits than its factorization.

97530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 97530 is about 312.2979346714. The cubic root of 97530 is about 46.0305405255.

The spelling of 97530 in words is "ninety-seven thousand, five hundred thirty".