980748261 has 6 divisors (see below), whose sum is σ = 1416636390. Its totient is φ = 653832168.

The previous prime is 980748259. The next prime is 980748269. The reversal of 980748261 is 162847089.

It can be written as a sum of positive squares in only one way, i.e., 597802500 + 382945761 = 24450^2 + 19569^2 .

It is not a de Polignac number, because 980748261 - 2¹ = 980748259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980748269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54486006 + ... + 54486023.

It is an arithmetic number, because the mean of its divisors is an integer number (236106065).

Almost surely, 2^980748261 is an apocalyptic number.

It is an amenable number.

980748261 is a deficient number, since it is larger than the sum of its proper divisors (435888129).

980748261 is a wasteful number, since it uses less digits than its factorization.

980748261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108972035 (or 108972032 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 980748261 is about 31316.9005650304. The cubic root of 980748261 is about 993.5411264340.

The spelling of 980748261 in words is "nine hundred eighty million, seven hundred forty-eight thousand, two hundred sixty-one".