974553243 has 16 divisors (see below), whose sum is σ = 1322803200. Its totient is φ = 638089920.

The previous prime is 974553227. The next prime is 974553259. The reversal of 974553243 is 342355479.

It is an interprime number because it is at equal distance from previous prime (974553227) and next prime (974553259).

It is not a de Polignac number, because 974553243 - 2⁴ = 974553227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974553195 and 974553204.

It is not an unprimeable number, because it can be changed into a prime (974553443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34503 + ... + 56031.

It is an arithmetic number, because the mean of its divisors is an integer number (82675200).

Almost surely, 2^974553243 is an apocalyptic number.

974553243 is a deficient number, since it is larger than the sum of its proper divisors (348249957).

974553243 is a wasteful number, since it uses less digits than its factorization.

974553243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21802.

The product of its digits is 453600, while the sum is 42.

The square root of 974553243 is about 31217.8353349492. The cubic root of 974553243 is about 991.4447643345. Note that the first 3 decimals are identical.

The spelling of 974553243 in words is "nine hundred seventy-four million, five hundred fifty-three thousand, two hundred forty-three".