980261 has 2 divisors, whose sum is σ = 980262. Its totient is φ = 980260.

The previous prime is 980249. The next prime is 980293. The reversal of 980261 is 162089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649636 + 330625 = 806^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 980261 - 2⁶ = 980197 is a prime.

It is a Chen prime.

It is equal to p₇₇₀₈₄ and since 980261 and 77084 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 980261.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980261.

It is not a weakly prime, because it can be changed into another prime (983261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490130 + 490131.

It is an arithmetic number, because the mean of its divisors is an integer number (490131).

2⁹⁸⁰²⁶¹ is an apocalyptic number.

It is an amenable number.

980261 is a deficient number, since it is larger than the sum of its proper divisors (1).

980261 is an equidigital number, since it uses as much as digits as its factorization.

980261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 980261 is about 990.0813097923. The cubic root of 980261 is about 99.3376560236.

The spelling of 980261 in words is "nine hundred eighty thousand, two hundred sixty-one".