972533101 has 4 divisors (see below), whose sum is σ = 973215100. Its totient is φ = 971851104.

The previous prime is 972533077. The next prime is 972533113. The reversal of 972533101 is 101335279.

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 448168900 + 524364201 = 21170^2 + 22899^2 .

It is a cyclic number.

It is not a de Polignac number, because 972533101 - 2¹⁷ = 972402029 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 (972533131) 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, 338856 + ... + 341713.

It is an arithmetic number, because the mean of its divisors is an integer number (243303775).

Almost surely, 2^972533101 is an apocalyptic number.

It is an amenable number.

972533101 is a deficient number, since it is larger than the sum of its proper divisors (681999).

972533101 is a wasteful number, since it uses less digits than its factorization.

972533101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681998.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 972533101 is about 31185.4629755596. The cubic root of 972533101 is about 990.7592383522.

The spelling of 972533101 in words is "nine hundred seventy-two million, five hundred thirty-three thousand, one hundred one".