97617173 has 2 divisors, whose sum is σ = 97617174. Its totient is φ = 97617172.

The previous prime is 97617151. The next prime is 97617199. The reversal of 97617173 is 37171679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95609284 + 2007889 = 9778^2 + 1417^2 .

It is an emirp because it is prime and its reverse (37171679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97617173 - 2⁸ = 97616917 is a prime.

It is a super-2 number, since 2×97617173² = 19058224929023858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97617173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97617473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48808586 + 48808587.

It is an arithmetic number, because the mean of its divisors is an integer number (48808587).

Almost surely, 2^97617173 is an apocalyptic number.

It is an amenable number.

97617173 is a deficient number, since it is larger than the sum of its proper divisors (1).

97617173 is an equidigital number, since it uses as much as digits as its factorization.

97617173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55566, while the sum is 41.

The square root of 97617173 is about 9880.1403330115. The cubic root of 97617173 is about 460.4425058186.

The spelling of 97617173 in words is "ninety-seven million, six hundred seventeen thousand, one hundred seventy-three".