260622261 has 6 divisors (see below), whose sum is σ = 376454390. Its totient is φ = 173748168.

The previous prime is 260622247. The next prime is 260622289. The reversal of 260622261 is 162226062.

It can be written as a sum of positive squares in only one way, i.e., 224550225 + 36072036 = 14985^2 + 6006^2 .

It is not a de Polignac number, because 260622261 - 2¹³ = 260614069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260621261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14479006 + ... + 14479023.

Almost surely, 2^260622261 is an apocalyptic number.

It is an amenable number.

260622261 is a deficient number, since it is larger than the sum of its proper divisors (115832129).

260622261 is a wasteful number, since it uses less digits than its factorization.

260622261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28958035 (or 28958032 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 260622261 is about 16143.7994598545. The cubic root of 260622261 is about 638.7592015913.

It can be divided in two parts, 260 and 622261, that added together give a square (622521 = 789²).

The spelling of 260622261 in words is "two hundred sixty million, six hundred twenty-two thousand, two hundred sixty-one".