980957261 has 8 divisors (see below), whose sum is σ = 988598520. Its totient is φ = 973345792.

The previous prime is 980957221. The next prime is 980957269. The reversal of 980957261 is 162759089.

980957261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 278389225 + 702568036 = 16685^2 + 26506^2 .

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 980957261 - 2¹⁰ = 980956237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980957269) 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, 61085 + ... + 75453.

It is an arithmetic number, because the mean of its divisors is an integer number (123574815).

Almost surely, 2^980957261 is an apocalyptic number.

It is an amenable number.

980957261 is a deficient number, since it is larger than the sum of its proper divisors (7641259).

980957261 is a wasteful number, since it uses less digits than its factorization.

980957261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14895.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 980957261 is about 31320.2372436736. The cubic root of 980957261 is about 993.6116968189.

The spelling of 980957261 in words is "nine hundred eighty million, nine hundred fifty-seven thousand, two hundred sixty-one".