972504143 has 4 divisors (see below), whose sum is σ = 1047312168. Its totient is φ = 897696120.

The previous prime is 972504109. The next prime is 972504163. The reversal of 972504143 is 341405279.

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

It is a cyclic number.

It is not a de Polignac number, because 972504143 - 2²⁶ = 905395279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972504163) 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, 37403993 + ... + 37404018.

It is an arithmetic number, because the mean of its divisors is an integer number (261828042).

Almost surely, 2^972504143 is an apocalyptic number.

972504143 is a deficient number, since it is larger than the sum of its proper divisors (74808025).

972504143 is a wasteful number, since it uses less digits than its factorization.

972504143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74808024.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 972504143 is about 31184.9986852653. The cubic root of 972504143 is about 990.7494046884.

The spelling of 972504143 in words is "nine hundred seventy-two million, five hundred four thousand, one hundred forty-three".