97148217 has 24 divisors (see below), whose sum is σ = 139255200. Its totient is φ = 60222976.

The previous prime is 97148213. The next prime is 97148237. The reversal of 97148217 is 71284179.

It is not a de Polignac number, because 97148217 - 2² = 97148213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97148213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76534 + ... + 77792.

It is an arithmetic number, because the mean of its divisors is an integer number (5802300).

Almost surely, 2^97148217 is an apocalyptic number.

It is an amenable number.

97148217 is a deficient number, since it is larger than the sum of its proper divisors (42106983).

97148217 is a wasteful number, since it uses less digits than its factorization.

97148217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1368 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 97148217 is about 9856.3795077097. The cubic root of 97148217 is about 459.7039951353.

The spelling of 97148217 in words is "ninety-seven million, one hundred forty-eight thousand, two hundred seventeen".