972125653 has 4 divisors (see below), whose sum is σ = 972241228. Its totient is φ = 972010080.

The previous prime is 972125647. The next prime is 972125657. The reversal of 972125653 is 356521279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356521279 = 281 ⋅1268759.

It can be written as a sum of positive squares in 2 ways, for example, as 304781764 + 667343889 = 17458^2 + 25833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972125653 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 (972125657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44088 + ... + 62353.

It is an arithmetic number, because the mean of its divisors is an integer number (243060307).

Almost surely, 2^972125653 is an apocalyptic number.

It is an amenable number.

972125653 is a deficient number, since it is larger than the sum of its proper divisors (115575).

972125653 is a wasteful number, since it uses less digits than its factorization.

972125653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115574.

The product of its digits is 113400, while the sum is 40.

The square root of 972125653 is about 31178.9296320448. The cubic root of 972125653 is about 990.6208577124.

The spelling of 972125653 in words is "nine hundred seventy-two million, one hundred twenty-five thousand, six hundred fifty-three".