97148969 has 4 divisors (see below), whose sum is σ = 97409796. Its totient is φ = 96888144.

The previous prime is 97148951. The next prime is 97148983. The reversal of 97148969 is 96984179.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31214569 + 65934400 = 5587^2 + 8120^2 .

It is a cyclic number.

It is not a de Polignac number, because 97148969 - 2⁸ = 97148713 is a prime.

It is a super-2 number, since 2×97148969² = 18875844355525922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97148969.

It is not an unprimeable number, because it can be changed into a prime (97148369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129854 + ... + 130599.

It is an arithmetic number, because the mean of its divisors is an integer number (24352449).

Almost surely, 2^97148969 is an apocalyptic number.

It is an amenable number.

97148969 is a deficient number, since it is larger than the sum of its proper divisors (260827).

97148969 is a wasteful number, since it uses less digits than its factorization.

97148969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260826.

The product of its digits is 979776, while the sum is 53.

The square root of 97148969 is about 9856.4176555176. The cubic root of 97148969 is about 459.7051812834.

The spelling of 97148969 in words is "ninety-seven million, one hundred forty-eight thousand, nine hundred sixty-nine".