97293143 has 4 divisors (see below), whose sum is σ = 97342368. Its totient is φ = 97243920.

The previous prime is 97293139. The next prime is 97293191. The reversal of 97293143 is 34139279.

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

It is a cyclic number.

It is not a de Polignac number, because 97293143 - 2² = 97293139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97293097 and 97293106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97290143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21518 + ... + 25643.

It is an arithmetic number, because the mean of its divisors is an integer number (24335592).

Almost surely, 2^97293143 is an apocalyptic number.

97293143 is a deficient number, since it is larger than the sum of its proper divisors (49225).

97293143 is a wasteful number, since it uses less digits than its factorization.

97293143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49224.

The product of its digits is 40824, while the sum is 38.

The square root of 97293143 is about 9863.7286560408. The cubic root of 97293143 is about 459.9324774866.

The spelling of 97293143 in words is "ninety-seven million, two hundred ninety-three thousand, one hundred forty-three".