971527853 has 4 divisors (see below), whose sum is σ = 994121568. Its totient is φ = 948934140.

The previous prime is 971527831. The next prime is 971527867. The reversal of 971527853 is 358725179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358725179 = 431 ⋅832309.

It is a cyclic number.

It is not a de Polignac number, because 971527853 - 2¹² = 971523757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 971527798 and 971527807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971127853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11296793 + ... + 11296878.

It is an arithmetic number, because the mean of its divisors is an integer number (248530392).

Almost surely, 2^971527853 is an apocalyptic number.

It is an amenable number.

971527853 is a deficient number, since it is larger than the sum of its proper divisors (22593715).

971527853 is a wasteful number, since it uses less digits than its factorization.

971527853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22593714.

The product of its digits is 529200, while the sum is 47.

The square root of 971527853 is about 31169.3415554452. The cubic root of 971527853 is about 990.4177582549.

The spelling of 971527853 in words is "nine hundred seventy-one million, five hundred twenty-seven thousand, eight hundred fifty-three".