260531004 has 12 divisors (see below), whose sum is σ = 607905704. Its totient is φ = 86843664.

The previous prime is 260530979. The next prime is 260531009. The reversal of 260531004 is 400135062.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260531009) 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, 10855447 + ... + 10855470.

Almost surely, 2^260531004 is an apocalyptic number.

It is an amenable number.

260531004 is an abundant number, since it is smaller than the sum of its proper divisors (347374700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260531004 is a wasteful number, since it uses less digits than its factorization.

260531004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21710924 (or 21710922 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 260531004 is about 16140.9728331349. The cubic root of 260531004 is about 638.6846389489.

Adding to 260531004 its reverse (400135062), we get a palindrome (660666066).

The spelling of 260531004 in words is "two hundred sixty million, five hundred thirty-one thousand, four".