97143601 has 4 divisors (see below), whose sum is σ = 97175332. Its totient is φ = 97111872.

The previous prime is 97143587. The next prime is 97143617. The reversal of 97143601 is 10634179.

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 19351201 + 77792400 = 4399^2 + 8820^2 .

It is a cyclic number.

It is not a de Polignac number, because 97143601 - 2⁵ = 97143569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97143671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10716 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (24293833).

Almost surely, 2^97143601 is an apocalyptic number.

It is an amenable number.

97143601 is a deficient number, since it is larger than the sum of its proper divisors (31731).

97143601 is a wasteful number, since it uses less digits than its factorization.

97143601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31730.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 97143601 is about 9856.1453418667. The cubic root of 97143601 is about 459.6967140710.

The spelling of 97143601 in words is "ninety-seven million, one hundred forty-three thousand, six hundred one".