971225682506 has 8 divisors (see below), whose sum is σ = 1503833314944. Its totient is φ = 469947910860.

The previous prime is 971225682487. The next prime is 971225682509. The reversal of 971225682506 is 605286522179.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (971225682509) 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, 7832465120 + ... + 7832465243.

It is an arithmetic number, because the mean of its divisors is an integer number (187979164368).

Almost surely, 2^971225682506 is an apocalyptic number.

971225682506 is a deficient number, since it is larger than the sum of its proper divisors (532607632438).

971225682506 is a wasteful number, since it uses less digits than its factorization.

971225682506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15664930396.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 971225682506 in words is "nine hundred seventy-one billion, two hundred twenty-five million, six hundred eighty-two thousand, five hundred six".