260498761 has 4 divisors (see below), whose sum is σ = 261808000. Its totient is φ = 259189524.

The previous prime is 260498753. The next prime is 260498801. The reversal of 260498761 is 167894062.

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.

It is a cyclic number.

It is not a de Polignac number, because 260498761 - 2³ = 260498753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260498741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654321 + ... + 654718.

It is an arithmetic number, because the mean of its divisors is an integer number (65452000).

Almost surely, 2^260498761 is an apocalyptic number.

It is an amenable number.

260498761 is a deficient number, since it is larger than the sum of its proper divisors (1309239).

260498761 is a wasteful number, since it uses less digits than its factorization.

260498761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309238.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 260498761 is about 16139.9740086532. The cubic root of 260498761 is about 638.6582902507.

The spelling of 260498761 in words is "two hundred sixty million, four hundred ninety-eight thousand, seven hundred sixty-one".