260538403 has 4 divisors (see below), whose sum is σ = 262412920. Its totient is φ = 258663888.

The previous prime is 260538389. The next prime is 260538451. The reversal of 260538403 is 304835062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260538403 - 2⁵ = 260538371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260538463) 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, 937050 + ... + 937327.

It is an arithmetic number, because the mean of its divisors is an integer number (65603230).

Almost surely, 2^260538403 is an apocalyptic number.

260538403 is a deficient number, since it is larger than the sum of its proper divisors (1874517).

260538403 is a wasteful number, since it uses less digits than its factorization.

260538403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874516.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 260538403 is about 16141.2020308278. The cubic root of 260538403 is about 638.6906850404.

The spelling of 260538403 in words is "two hundred sixty million, five hundred thirty-eight thousand, four hundred three".