880421261 has 2 divisors, whose sum is σ = 880421262. Its totient is φ = 880421260.

The previous prime is 880421257. The next prime is 880421281. The reversal of 880421261 is 162124088.

It is a happy number.

880421261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469588900 + 410832361 = 21670^2 + 20269^2 .

It is a cyclic number.

It is not a de Polignac number, because 880421261 - 2² = 880421257 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880421251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440210630 + 440210631.

It is an arithmetic number, because the mean of its divisors is an integer number (440210631).

Almost surely, 2^880421261 is an apocalyptic number.

It is an amenable number.

880421261 is a deficient number, since it is larger than the sum of its proper divisors (1).

880421261 is an equidigital number, since it uses as much as digits as its factorization.

880421261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 880421261 is about 29671.8934515477. The cubic root of 880421261 is about 958.4368590131.

The spelling of 880421261 in words is "eight hundred eighty million, four hundred twenty-one thousand, two hundred sixty-one".