982492561 has 8 divisors (see below), whose sum is σ = 1010084840. Its totient is φ = 954955008.

The previous prime is 982492531. The next prime is 982492571. The reversal of 982492561 is 165294289.

It can be written as a sum of positive squares in 4 ways, for example, as 307791936 + 674700625 = 17544^2 + 25975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 982492561 - 2⁵ = 982492529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982492501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24175 + ... + 50491.

It is an arithmetic number, because the mean of its divisors is an integer number (126260605).

It is a Poulet number, since it divides 2^982492560-1.

Almost surely, 2^982492561 is an apocalyptic number.

It is an amenable number.

982492561 is a deficient number, since it is larger than the sum of its proper divisors (27592279).

982492561 is a wasteful number, since it uses less digits than its factorization.

982492561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27363.

The product of its digits is 311040, while the sum is 46.

The square root of 982492561 is about 31344.7373732817. The cubic root of 982492561 is about 994.1297951224.

The spelling of 982492561 in words is "nine hundred eighty-two million, four hundred ninety-two thousand, five hundred sixty-one".