260226997 has 2 divisors, whose sum is σ = 260226998. Its totient is φ = 260226996.

The previous prime is 260226977. The next prime is 260227001. The reversal of 260226997 is 799622062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131767441 + 128459556 = 11479^2 + 11334^2 .

It is a cyclic number.

It is not a de Polignac number, because 260226997 - 2¹⁵ = 260194229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260226917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130113498 + 130113499.

It is an arithmetic number, because the mean of its divisors is an integer number (130113499).

Almost surely, 2^260226997 is an apocalyptic number.

It is an amenable number.

260226997 is a deficient number, since it is larger than the sum of its proper divisors (1).

260226997 is an equidigital number, since it uses as much as digits as its factorization.

260226997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 260226997 is about 16131.5528390791. The cubic root of 260226997 is about 638.4361206421.

The spelling of 260226997 in words is "two hundred sixty million, two hundred twenty-six thousand, nine hundred ninety-seven".