97691253 has 8 divisors (see below), whose sum is σ = 142096416. Its totient is φ = 59206800.

The previous prime is 97691183. The next prime is 97691273. The reversal of 97691253 is 35219679.

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

It is not a de Polignac number, because 97691253 - 2⁸ = 97690997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97691273) 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, 1480138 + ... + 1480203.

It is an arithmetic number, because the mean of its divisors is an integer number (17762052).

Almost surely, 2^97691253 is an apocalyptic number.

It is an amenable number.

97691253 is a deficient number, since it is larger than the sum of its proper divisors (44405163).

97691253 is a wasteful number, since it uses less digits than its factorization.

97691253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960355.

The product of its digits is 102060, while the sum is 42.

The square root of 97691253 is about 9883.8885566360. Note that the first 3 decimals coincide. The cubic root of 97691253 is about 460.5589503437.

It can be divided in two parts, 976 and 91253, that added together give a palindrome (92229).

The spelling of 97691253 in words is "ninety-seven million, six hundred ninety-one thousand, two hundred fifty-three".