971248525387 has 8 divisors (see below), whose sum is σ = 1135812229376. Its totient is φ = 813138300072.

The previous prime is 971248525297. The next prime is 971248525459. The reversal of 971248525387 is 783525842179.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-971248525387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971248525187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613369343 + ... + 1613369944.

It is an arithmetic number, because the mean of its divisors is an integer number (141976528672).

Almost surely, 2^971248525387 is an apocalyptic number.

971248525387 is a deficient number, since it is larger than the sum of its proper divisors (164563703989).

971248525387 is a wasteful number, since it uses less digits than its factorization.

971248525387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226739337.

The product of its digits is 33868800, while the sum is 61.

The spelling of 971248525387 in words is "nine hundred seventy-one billion, two hundred forty-eight million, five hundred twenty-five thousand, three hundred eighty-seven".