971897025 has 48 divisors (see below), whose sum is σ = 1845239040. Its totient is φ = 446414400.

The previous prime is 971897011. The next prime is 971897041. The reversal of 971897025 is 520798179.

It is not a de Polignac number, because 971897025 - 2¹¹ = 971894977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15327 + ... + 46676.

It is an arithmetic number, because the mean of its divisors is an integer number (38442480).

Almost surely, 2^971897025 is an apocalyptic number.

971897025 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

971897025 is a deficient number, since it is larger than the sum of its proper divisors (873342015).

971897025 is a wasteful number, since it uses less digits than its factorization.

971897025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62046 (or 62041 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 971897025 is about 31175.2630301654. The cubic root of 971897025 is about 990.5431923673.

The spelling of 971897025 in words is "nine hundred seventy-one million, eight hundred ninety-seven thousand, twenty-five".