260605153 has 2 divisors, whose sum is σ = 260605154. Its totient is φ = 260605152.

The previous prime is 260605151. The next prime is 260605181. The reversal of 260605153 is 351506062.

It is an a-pointer prime, because the next prime (260605181) can be obtained adding 260605153 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167521249 + 93083904 = 12943^2 + 9648^2 .

It is a cyclic number.

It is not a de Polignac number, because 260605153 - 2¹ = 260605151 is a prime.

Together with 260605151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (260605151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130302576 + 130302577.

It is an arithmetic number, because the mean of its divisors is an integer number (130302577).

Almost surely, 2^260605153 is an apocalyptic number.

It is an amenable number.

260605153 is a deficient number, since it is larger than the sum of its proper divisors (1).

260605153 is an equidigital number, since it uses as much as digits as its factorization.

260605153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 260605153 is about 16143.2695882835. The cubic root of 260605153 is about 638.7452246175.

Subtracting 260605153 from its reverse (351506062), we obtain a palindrome (90900909).

It can be divided in two parts, 26060 and 5153, that added together give a palindrome (31213).

The spelling of 260605153 in words is "two hundred sixty million, six hundred five thousand, one hundred fifty-three".