972132893 has 2 divisors, whose sum is σ = 972132894. Its totient is φ = 972132892.

The previous prime is 972132839. The next prime is 972132901. The reversal of 972132893 is 398231279.

It is a happy number.

Together with previous prime (972132839) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 804119449 + 168013444 = 28357^2 + 12962^2 .

It is a cyclic number.

It is not a de Polignac number, because 972132893 - 2¹² = 972128797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972132823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486066446 + 486066447.

It is an arithmetic number, because the mean of its divisors is an integer number (486066447).

Almost surely, 2^972132893 is an apocalyptic number.

It is an amenable number.

972132893 is a deficient number, since it is larger than the sum of its proper divisors (1).

972132893 is an equidigital number, since it uses as much as digits as its factorization.

972132893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 972132893 is about 31179.0457358784. The cubic root of 972132893 is about 990.6233169546.

The spelling of 972132893 in words is "nine hundred seventy-two million, one hundred thirty-two thousand, eight hundred ninety-three".