97528693 has 2 divisors, whose sum is σ = 97528694. Its totient is φ = 97528692.

The previous prime is 97528663. The next prime is 97528703. The reversal of 97528693 is 39682579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89245809 + 8282884 = 9447^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 97528693 - 2⁵ = 97528661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97528663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48764346 + 48764347.

It is an arithmetic number, because the mean of its divisors is an integer number (48764347).

Almost surely, 2^97528693 is an apocalyptic number.

It is an amenable number.

97528693 is a deficient number, since it is larger than the sum of its proper divisors (1).

97528693 is an equidigital number, since it uses as much as digits as its factorization.

97528693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 97528693 is about 9875.6616487200. The cubic root of 97528693 is about 460.3033490605.

The spelling of 97528693 in words is "ninety-seven million, five hundred twenty-eight thousand, six hundred ninety-three".