971375250 has 64 divisors (see below), whose sum is σ = 2429062272. Its totient is φ = 258552000.

The previous prime is 971375243. The next prime is 971375263. The reversal of 971375250 is 52573179.

It is a junction number, because it is equal to n+sod(n) for n = 971375199 and 971375208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607452 + ... + 609048.

It is an arithmetic number, because the mean of its divisors is an integer number (37954098).

Almost surely, 2^971375250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971375250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214531136).

971375250 is an abundant number, since it is smaller than the sum of its proper divisors (1457687022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971375250 is a wasteful number, since it uses less digits than its factorization.

971375250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 971375250 is about 31166.8934929357. The cubic root of 971375250 is about 990.3658988272.

The spelling of 971375250 in words is "nine hundred seventy-one million, three hundred seventy-five thousand, two hundred fifty".