260535381 has 8 divisors (see below), whose sum is σ = 347498784. Its totient is φ = 173631120.

The previous prime is 260535349. The next prime is 260535383. The reversal of 260535381 is 183535062.

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

It is not a de Polignac number, because 260535381 - 2⁵ = 260535349 is a prime.

It is a super-2 number, since 2×260535381² = 135757369505630322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260535383) 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, 3210 + ... + 23051.

It is an arithmetic number, because the mean of its divisors is an integer number (43437348).

Almost surely, 2^260535381 is an apocalyptic number.

It is an amenable number.

260535381 is a deficient number, since it is larger than the sum of its proper divisors (86963403).

260535381 is a wasteful number, since it uses less digits than its factorization.

260535381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29571.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 260535381 is about 16141.1084191886. The cubic root of 260535381 is about 638.6882156275.

The spelling of 260535381 in words is "two hundred sixty million, five hundred thirty-five thousand, three hundred eighty-one".