830026261 has 2 divisors, whose sum is σ = 830026262. Its totient is φ = 830026260.

The previous prime is 830026259. The next prime is 830026273. The reversal of 830026261 is 162620038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507105361 + 322920900 = 22519^2 + 17970^2 .

It is a cyclic number.

It is not a de Polignac number, because 830026261 - 2¹ = 830026259 is a prime.

Together with 830026259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830026861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415013130 + 415013131.

It is an arithmetic number, because the mean of its divisors is an integer number (415013131).

Almost surely, 2^830026261 is an apocalyptic number.

It is an amenable number.

830026261 is a deficient number, since it is larger than the sum of its proper divisors (1).

830026261 is an equidigital number, since it uses as much as digits as its factorization.

830026261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 830026261 is about 28810.1763444794. The cubic root of 830026261 is about 939.7895488579.

Adding to 830026261 its reverse (162620038), we get a palindrome (992646299).

The spelling of 830026261 in words is "eight hundred thirty million, twenty-six thousand, two hundred sixty-one".