97517953 has 8 divisors (see below), whose sum is σ = 109585728. Its totient is φ = 86102544.

The previous prime is 97517941. The next prime is 97517963. The reversal of 97517953 is 35971579.

It is a happy number.

It is the 4032-nd star number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97517953 - 2⁵ = 97517921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97517963) 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, 162775 + ... + 163372.

It is an arithmetic number, because the mean of its divisors is an integer number (13698216).

Almost surely, 2^97517953 is an apocalyptic number.

It is an amenable number.

97517953 is a deficient number, since it is larger than the sum of its proper divisors (12067775).

97517953 is a wasteful number, since it uses less digits than its factorization.

97517953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326183.

The product of its digits is 297675, while the sum is 46.

The square root of 97517953 is about 9875.1178727142. The cubic root of 97517953 is about 460.2864520178.

The spelling of 97517953 in words is "ninety-seven million, five hundred seventeen thousand, nine hundred fifty-three".