972503553 has 8 divisors (see below), whose sum is σ = 1481910208. Its totient is φ = 555716304.

The previous prime is 972503551. The next prime is 972503561. The reversal of 972503553 is 355305279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 972503553 - 2¹ = 972503551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972503551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23154826 + ... + 23154867.

It is an arithmetic number, because the mean of its divisors is an integer number (185238776).

Almost surely, 2^972503553 is an apocalyptic number.

It is an amenable number.

972503553 is a deficient number, since it is larger than the sum of its proper divisors (509406655).

972503553 is a wasteful number, since it uses less digits than its factorization.

972503553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46309703.

The product of its (nonzero) digits is 141750, while the sum is 39.

The square root of 972503553 is about 31184.9892255874. The cubic root of 972503553 is about 990.7492043320.

The spelling of 972503553 in words is "nine hundred seventy-two million, five hundred three thousand, five hundred fifty-three".