260406101 has 2 divisors, whose sum is σ = 260406102. Its totient is φ = 260406100.

The previous prime is 260406089. The next prime is 260406121. The reversal of 260406101 is 101604062.

It is a happy number.

It is an a-pointer prime, because the next prime (260406121) can be obtained adding 260406101 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 128845201 = 11470^2 + 11351^2 .

It is a cyclic number.

It is not a de Polignac number, because 260406101 - 2¹⁰ = 260405077 is a prime.

It is a super-2 number, since 2×260406101² = 135622674876044402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260406121) 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, 130203050 + 130203051.

It is an arithmetic number, because the mean of its divisors is an integer number (130203051).

Almost surely, 2^260406101 is an apocalyptic number.

It is an amenable number.

260406101 is a deficient number, since it is larger than the sum of its proper divisors (1).

260406101 is an equidigital number, since it uses as much as digits as its factorization.

260406101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 260406101 is about 16137.1032406687. The cubic root of 260406101 is about 638.5825572031.

The spelling of 260406101 in words is "two hundred sixty million, four hundred six thousand, one hundred one".