260504421 has 8 divisors (see below), whose sum is σ = 365620320. Its totient is φ = 164529072.

The previous prime is 260504399. The next prime is 260504443. The reversal of 260504421 is 124405062.

It is an interprime number because it is at equal distance from previous prime (260504399) and next prime (260504443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260504421 - 2⁵ = 260504389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260504391 and 260504400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260504471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285070 + ... + 2285183.

It is an arithmetic number, because the mean of its divisors is an integer number (45702540).

Almost surely, 2^260504421 is an apocalyptic number.

It is an amenable number.

260504421 is a deficient number, since it is larger than the sum of its proper divisors (105115899).

260504421 is a wasteful number, since it uses less digits than its factorization.

260504421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570275.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 260504421 is about 16140.1493487514. The cubic root of 260504421 is about 638.6629157106.

Adding to 260504421 its reverse (124405062), we get a palindrome (384909483).

The spelling of 260504421 in words is "two hundred sixty million, five hundred four thousand, four hundred twenty-one".