97257443 has 4 divisors (see below), whose sum is σ = 99519288. Its totient is φ = 94995600.

The previous prime is 97257437. The next prime is 97257473. The reversal of 97257443 is 34475279.

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

It is not a de Polignac number, because 97257443 - 2¹² = 97253347 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 97257443.

It is not an unprimeable number, because it can be changed into a prime (97257403) 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, 1130858 + ... + 1130943.

It is an arithmetic number, because the mean of its divisors is an integer number (24879822).

Almost surely, 2^97257443 is an apocalyptic number.

97257443 is a deficient number, since it is larger than the sum of its proper divisors (2261845).

97257443 is a wasteful number, since it uses less digits than its factorization.

97257443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261844.

The product of its digits is 211680, while the sum is 41.

The square root of 97257443 is about 9861.9188295179. The cubic root of 97257443 is about 459.8762159056.

The spelling of 97257443 in words is "ninety-seven million, two hundred fifty-seven thousand, four hundred forty-three".