972250163 has 4 divisors (see below), whose sum is σ = 973005720. Its totient is φ = 971494608.

The previous prime is 972250157. The next prime is 972250177. The reversal of 972250163 is 361052279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361052279 = 7 ⋅51578897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972250163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972250183) 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, 375845 + ... + 378422.

It is an arithmetic number, because the mean of its divisors is an integer number (243251430).

Almost surely, 2^972250163 is an apocalyptic number.

972250163 is a deficient number, since it is larger than the sum of its proper divisors (755557).

972250163 is a wasteful number, since it uses less digits than its factorization.

972250163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755556.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 972250163 is about 31180.9262691152. The cubic root of 972250163 is about 990.6631488631.

The spelling of 972250163 in words is "nine hundred seventy-two million, two hundred fifty thousand, one hundred sixty-three".