260825387 has 4 divisors (see below), whose sum is σ = 264499056. Its totient is φ = 257151720.

The previous prime is 260825311. The next prime is 260825393. The reversal of 260825387 is 783528062.

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 260825387 - 2¹⁰ = 260824363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260825287) 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, 1836728 + ... + 1836869.

It is an arithmetic number, because the mean of its divisors is an integer number (66124764).

Almost surely, 2^260825387 is an apocalyptic number.

260825387 is a deficient number, since it is larger than the sum of its proper divisors (3673669).

260825387 is an equidigital number, since it uses as much as digits as its factorization.

260825387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673668.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 260825387 is about 16150.0893805576. The cubic root of 260825387 is about 638.9251056952.

The spelling of 260825387 in words is "two hundred sixty million, eight hundred twenty-five thousand, three hundred eighty-seven".