9972253 has 4 divisors (see below), whose sum is σ = 9991228. Its totient is φ = 9953280.

The previous prime is 9972241. The next prime is 9972329. The reversal of 9972253 is 3522799.

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 4782969 + 5189284 = 2187^2 + 2278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9972253 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 9⁵ + 7² + 2¹⁴ + 2¹⁶ + 5¹⁰ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972233) 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, 8676 + ... + 9757.

It is an arithmetic number, because the mean of its divisors is an integer number (2497807).

Almost surely, 2^9972253 is an apocalyptic number.

It is an amenable number.

9972253 is a deficient number, since it is larger than the sum of its proper divisors (18975).

9972253 is a wasteful number, since it uses less digits than its factorization.

9972253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18974.

The product of its digits is 34020, while the sum is 37.

The square root of 9972253 is about 3157.8874267459. The cubic root of 9972253 is about 215.2440207551.

The spelling of 9972253 in words is "nine million, nine hundred seventy-two thousand, two hundred fifty-three".