971548413 has 16 divisors (see below), whose sum is σ = 1487539200. Its totient is φ = 557826480.

The previous prime is 971548397. The next prime is 971548439. The reversal of 971548413 is 314845179.

It is a happy number.

It is not a de Polignac number, because 971548413 - 2⁴ = 971548397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971548213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774133 + ... + 775386.

It is an arithmetic number, because the mean of its divisors is an integer number (92971200).

Almost surely, 2^971548413 is an apocalyptic number.

It is an amenable number.

971548413 is a deficient number, since it is larger than the sum of its proper divisors (515990787).

971548413 is a wasteful number, since it uses less digits than its factorization.

971548413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549552.

The product of its digits is 120960, while the sum is 42.

The square root of 971548413 is about 31169.6713649663. The cubic root of 971548413 is about 990.4247447918.

The spelling of 971548413 in words is "nine hundred seventy-one million, five hundred forty-eight thousand, four hundred thirteen".