260261545 has 4 divisors (see below), whose sum is σ = 312313860. Its totient is φ = 208209232.

The previous prime is 260261531. The next prime is 260261549. The reversal of 260261545 is 545162062.

260261545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80138304 + 180123241 = 8952^2 + 13421^2 .

It is a cyclic number.

It is not a de Polignac number, because 260261545 - 2¹¹ = 260259497 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (260261549) 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, 26026150 + ... + 26026159.

It is an arithmetic number, because the mean of its divisors is an integer number (78078465).

Almost surely, 2^260261545 is an apocalyptic number.

It is an amenable number.

260261545 is a deficient number, since it is larger than the sum of its proper divisors (52052315).

260261545 is an equidigital number, since it uses as much as digits as its factorization.

260261545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52052314.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 260261545 is about 16132.6236241970. The cubic root of 260261545 is about 638.4643725341.

The spelling of 260261545 in words is "two hundred sixty million, two hundred sixty-one thousand, five hundred forty-five".