97523066 has 4 divisors (see below), whose sum is σ = 146284602. Its totient is φ = 48761532.

The previous prime is 97523057. The next prime is 97523071. The reversal of 97523066 is 66032579.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66032579 = 103 ⋅641093.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 12496225 = 9221^2 + 3535^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24380765 + ... + 24380768.

Almost surely, 2^97523066 is an apocalyptic number.

97523066 is a deficient number, since it is larger than the sum of its proper divisors (48761536).

97523066 is a wasteful number, since it uses less digits than its factorization.

97523066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48761535.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 97523066 is about 9875.3767523067. The cubic root of 97523066 is about 460.2944963605.

The spelling of 97523066 in words is "ninety-seven million, five hundred twenty-three thousand, sixty-six".