260626417 has 2 divisors, whose sum is σ = 260626418. Its totient is φ = 260626416.

The previous prime is 260626411. The next prime is 260626441. The reversal of 260626417 is 714626062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252047376 + 8579041 = 15876^2 + 2929^2 .

It is a cyclic number.

It is not a de Polignac number, because 260626417 - 2¹⁵ = 260593649 is a prime.

It is a super-2 number, since 2×260626417² = 135852258476515778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260626411) 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 as a sum of consecutive naturals, namely, 130313208 + 130313209.

It is an arithmetic number, because the mean of its divisors is an integer number (130313209).

Almost surely, 2^260626417 is an apocalyptic number.

It is an amenable number.

260626417 is a deficient number, since it is larger than the sum of its proper divisors (1).

260626417 is an equidigital number, since it uses as much as digits as its factorization.

260626417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 260626417 is about 16143.9281774914. The cubic root of 260626417 is about 638.7625968873.

The spelling of 260626417 in words is "two hundred sixty million, six hundred twenty-six thousand, four hundred seventeen".