97643325 has 96 divisors (see below), whose sum is σ = 189737856. Its totient is φ = 43868160.

The previous prime is 97643323. The next prime is 97643327. The reversal of 97643325 is 52334679.

97643325 is a nontrivial binomial coefficient, being equal to C(13975, 2).

It is an interprime number because it is at equal distance from previous prime (97643323) and next prime (97643327).

It is not a de Polignac number, because 97643325 - 2¹ = 97643323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97643323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 712657 + ... + 712793.

It is an arithmetic number, because the mean of its divisors is an integer number (1976436).

Almost surely, 2^97643325 is an apocalyptic number.

97643325 is the 13974-th triangular number.

It is an amenable number.

97643325 is a deficient number, since it is larger than the sum of its proper divisors (92094531).

97643325 is a wasteful number, since it uses less digits than its factorization.

97643325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 218 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 97643325 is about 9881.4637073664. The cubic root of 97643325 is about 460.4836202280.

The spelling of 97643325 in words is "ninety-seven million, six hundred forty-three thousand, three hundred twenty-five".