974653451 has 4 divisors (see below), whose sum is σ = 1017029712. Its totient is φ = 932277192.

The previous prime is 974653439. The next prime is 974653453. The reversal of 974653451 is 154356479.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974653451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974653453) 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, 21188096 + ... + 21188141.

It is an arithmetic number, because the mean of its divisors is an integer number (254257428).

Almost surely, 2^974653451 is an apocalyptic number.

974653451 is a deficient number, since it is larger than the sum of its proper divisors (42376261).

974653451 is a wasteful number, since it uses less digits than its factorization.

974653451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42376260.

The product of its digits is 453600, while the sum is 44.

The square root of 974653451 is about 31219.4402736500. The cubic root of 974653451 is about 991.4787447909.

The spelling of 974653451 in words is "nine hundred seventy-four million, six hundred fifty-three thousand, four hundred fifty-one".