971541925 has 12 divisors (see below), whose sum is σ = 1275577956. Its totient is φ = 731513600.

The previous prime is 971541913. The next prime is 971541941. The reversal of 971541925 is 529145179.

It can be written as a sum of positive squares in 6 ways, for example, as 4456321 + 967085604 = 2111^2 + 31098^2 .

It is not a de Polignac number, because 971541925 - 2¹⁵ = 971509157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142566 + ... + 1143415.

It is an arithmetic number, because the mean of its divisors is an integer number (106298163).

Almost surely, 2^971541925 is an apocalyptic number.

It is an amenable number.

971541925 is a deficient number, since it is larger than the sum of its proper divisors (304036031).

971541925 is a wasteful number, since it uses less digits than its factorization.

971541925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286008 (or 2286003 counting only the distinct ones).

The product of its digits is 113400, while the sum is 43.

The square root of 971541925 is about 31169.5672892647. The cubic root of 971541925 is about 990.4225401015.

The spelling of 971541925 in words is "nine hundred seventy-one million, five hundred forty-one thousand, nine hundred twenty-five".