260722541 has 4 divisors (see below), whose sum is σ = 274444800. Its totient is φ = 247000284.

The previous prime is 260722487. The next prime is 260722543. The reversal of 260722541 is 145227062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145227062 = 2 ⋅72613531.

It is a cyclic number.

It is not a de Polignac number, because 260722541 - 2⁶ = 260722477 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 (260722543) 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 in 3 ways as a sum of consecutive naturals, for example, 6861101 + ... + 6861138.

It is an arithmetic number, because the mean of its divisors is an integer number (68611200).

Almost surely, 2^260722541 is an apocalyptic number.

It is an amenable number.

260722541 is a deficient number, since it is larger than the sum of its proper divisors (13722259).

260722541 is a wasteful number, since it uses less digits than its factorization.

260722541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13722258.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 260722541 is about 16146.9049975529. The cubic root of 260722541 is about 638.8411165164.

The spelling of 260722541 in words is "two hundred sixty million, seven hundred twenty-two thousand, five hundred forty-one".