982551 has 4 divisors (see below), whose sum is σ = 1310072. Its totient is φ = 655032.

The previous prime is 982493. The next prime is 982559. The reversal of 982551 is 155289.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 982551 - 2¹⁰ = 981527 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982559) 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, 163756 + ... + 163761.

It is an arithmetic number, because the mean of its divisors is an integer number (327518).

2⁹⁸²⁵⁵¹ is an apocalyptic number.

982551 is a deficient number, since it is larger than the sum of its proper divisors (327521).

982551 is a wasteful number, since it uses less digits than its factorization.

982551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327520.

The product of its digits is 3600, while the sum is 30.

The square root of 982551 is about 991.2371058430. The cubic root of 982551 is about 99.4149505127.

The spelling of 982551 in words is "nine hundred eighty-two thousand, five hundred fifty-one".