8972251 has 4 divisors (see below), whose sum is σ = 9180952. Its totient is φ = 8763552.

The previous prime is 8972221. The next prime is 8972261. The reversal of 8972251 is 1522798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1522798 = 2 ⋅761399.

It is a cyclic number.

It is not a de Polignac number, because 8972251 - 2⁵ = 8972219 is a prime.

It is a Duffinian number.

8972251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8972221) 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, 104286 + ... + 104371.

It is an arithmetic number, because the mean of its divisors is an integer number (2295238).

Almost surely, 2^8972251 is an apocalyptic number.

8972251 is a deficient number, since it is larger than the sum of its proper divisors (208701).

8972251 is a wasteful number, since it uses less digits than its factorization.

8972251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208700.

The product of its digits is 10080, while the sum is 34.

The square root of 8972251 is about 2995.3715963132. The cubic root of 8972251 is about 207.7943835301.

The spelling of 8972251 in words is "eight million, nine hundred seventy-two thousand, two hundred fifty-one".