972534439 has 2 divisors, whose sum is σ = 972534440. Its totient is φ = 972534438.

The previous prime is 972534427. The next prime is 972534457. The reversal of 972534439 is 934435279.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972534439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (976534439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486267219 + 486267220.

It is an arithmetic number, because the mean of its divisors is an integer number (486267220).

Almost surely, 2^972534439 is an apocalyptic number.

972534439 is a deficient number, since it is larger than the sum of its proper divisors (1).

972534439 is an equidigital number, since it uses as much as digits as its factorization.

972534439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The square root of 972534439 is about 31185.4844278552. The cubic root of 972534439 is about 990.7596927104.

The spelling of 972534439 in words is "nine hundred seventy-two million, five hundred thirty-four thousand, four hundred thirty-nine".