260204013 has 6 divisors (see below), whose sum is σ = 375850254. Its totient is φ = 173469336.

The previous prime is 260204011. The next prime is 260204027. The reversal of 260204013 is 310402062.

It is a happy number.

260204013 is a `hidden beast` number, since 260 + 2 + 0 + 401 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 247968009 + 12236004 = 15747^2 + 3498^2 .

It is not a de Polignac number, because 260204013 - 2¹ = 260204011 is a prime.

It is a super-2 number, since 2×260204013² = 135412256762608338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260204011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14455770 + ... + 14455787.

It is an arithmetic number, because the mean of its divisors is an integer number (62641709).

Almost surely, 2^260204013 is an apocalyptic number.

It is an amenable number.

260204013 is a deficient number, since it is larger than the sum of its proper divisors (115646241).

260204013 is a wasteful number, since it uses less digits than its factorization.

260204013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28911563 (or 28911560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 260204013 is about 16130.8404306781. The cubic root of 260204013 is about 638.4173239146.

Adding to 260204013 its reverse (310402062), we get a palindrome (570606075).

The spelling of 260204013 in words is "two hundred sixty million, two hundred four thousand, thirteen".