980504561 has 8 divisors (see below), whose sum is σ = 984312000. Its totient is φ = 976705488.

The previous prime is 980504531. The next prime is 980504573. The reversal of 980504561 is 165405089.

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 980504561 - 2¹⁴ = 980488177 is a prime.

It is a super-2 number, since 2×980504561² = 1922778388283605442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (980504501) 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, 321335 + ... + 324371.

It is an arithmetic number, because the mean of its divisors is an integer number (123039000).

Almost surely, 2^980504561 is an apocalyptic number.

It is an amenable number.

980504561 is a deficient number, since it is larger than the sum of its proper divisors (3807439).

980504561 is a wasteful number, since it uses less digits than its factorization.

980504561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 980504561 is about 31313.0094529414. The cubic root of 980504561 is about 993.4588266772.

The spelling of 980504561 in words is "nine hundred eighty million, five hundred four thousand, five hundred sixty-one".