260528401 has 8 divisors (see below), whose sum is σ = 298203840. Its totient is φ = 222967248.

The previous prime is 260528381. The next prime is 260528407. The reversal of 260528401 is 104825062.

260528401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 260528401 - 2⁷ = 260528273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260528401.

It is not an unprimeable number, because it can be changed into a prime (260528407) 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, 23626 + ... + 32851.

It is an arithmetic number, because the mean of its divisors is an integer number (37275480).

Almost surely, 2^260528401 is an apocalyptic number.

It is an amenable number.

260528401 is a deficient number, since it is larger than the sum of its proper divisors (37675439).

260528401 is an equidigital number, since it uses as much as digits as its factorization.

260528401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57143.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 260528401 is about 16140.8921996276. The cubic root of 260528401 is about 638.6825118807.

It can be divided in two parts, 26052 and 8401, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 260528401 in words is "two hundred sixty million, five hundred twenty-eight thousand, four hundred one".