260759489 has 4 divisors (see below), whose sum is σ = 261013440. Its totient is φ = 260505540.

The previous prime is 260759453. The next prime is 260759509. The reversal of 260759489 is 984957062.

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: 984957062 = 2 ⋅492478531.

It is a cyclic number.

It is not a de Polignac number, because 260759489 - 2²⁴ = 243982273 is a prime.

It is a super-2 number, since 2×260759489² = 135991022207082242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260759419) 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, 125429 + ... + 127490.

It is an arithmetic number, because the mean of its divisors is an integer number (65253360).

Almost surely, 2^260759489 is an apocalyptic number.

It is an amenable number.

260759489 is a deficient number, since it is larger than the sum of its proper divisors (253951).

260759489 is a wasteful number, since it uses less digits than its factorization.

260759489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253950.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 260759489 is about 16148.0490772105. The cubic root of 260759489 is about 638.8712926398.

The spelling of 260759489 in words is "two hundred sixty million, seven hundred fifty-nine thousand, four hundred eighty-nine".