980560261 has 8 divisors (see below), whose sum is σ = 1022297760. Its totient is φ = 939683472.

The previous prime is 980560253. The next prime is 980560271. The reversal of 980560261 is 162065089.

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

It is not a de Polignac number, because 980560261 - 2³ = 980560253 is a prime.

It is a super-2 number, since 2×980560261² = 1922996850904776242, which contains 22 as substring.

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 980560261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980560271) 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, 212851 + ... + 217408.

It is an arithmetic number, because the mean of its divisors is an integer number (127787220).

Almost surely, 2^980560261 is an apocalyptic number.

It is an amenable number.

980560261 is a deficient number, since it is larger than the sum of its proper divisors (41737499).

980560261 is a wasteful number, since it uses less digits than its factorization.

980560261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430355.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 980560261 is about 31313.8988469976. The cubic root of 980560261 is about 993.4776382874.

The spelling of 980560261 in words is "nine hundred eighty million, five hundred sixty thousand, two hundred sixty-one".