971563051 has 4 divisors (see below), whose sum is σ = 971626104. Its totient is φ = 971500000.

The previous prime is 971563049. The next prime is 971563063. The reversal of 971563051 is 150365179.

971563051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 971563051 - 2¹ = 971563049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 971563051.

It is not an unprimeable number, because it can be changed into a prime (971563001) 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, 8676 + ... + 44926.

It is an arithmetic number, because the mean of its divisors is an integer number (242906526).

Almost surely, 2^971563051 is an apocalyptic number.

971563051 is a deficient number, since it is larger than the sum of its proper divisors (63053).

971563051 is a wasteful number, since it uses less digits than its factorization.

971563051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63052.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 971563051 is about 31169.9061756689. The cubic root of 971563051 is about 990.4297189013.

The spelling of 971563051 in words is "nine hundred seventy-one million, five hundred sixty-three thousand, fifty-one".