971420524 has 12 divisors (see below), whose sum is σ = 1789459000. Its totient is φ = 460146528.

The previous prime is 971420521. The next prime is 971420539. The reversal of 971420524 is 425024179.

It is a self number, because there is not a number n which added to its sum of digits gives 971420524.

It is not an unprimeable number, because it can be changed into a prime (971420521) 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, 6390849 + ... + 6391000.

Almost surely, 2^971420524 is an apocalyptic number.

It is an amenable number.

971420524 is a deficient number, since it is larger than the sum of its proper divisors (818038476).

971420524 is a wasteful number, since it uses less digits than its factorization.

971420524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781872 (or 12781870 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 971420524 is about 31167.6198000425. The cubic root of 971420524 is about 990.3812849611.

The spelling of 971420524 in words is "nine hundred seventy-one million, four hundred twenty thousand, five hundred twenty-four".