260752591 has 4 divisors (see below), whose sum is σ = 284457384. Its totient is φ = 237047800.

The previous prime is 260752589. The next prime is 260752619. The reversal of 260752591 is 195257062.

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

It is not a de Polignac number, because 260752591 - 2¹ = 260752589 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 260752591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260752571) 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, 11852380 + ... + 11852401.

It is an arithmetic number, because the mean of its divisors is an integer number (71114346).

Almost surely, 2^260752591 is an apocalyptic number.

260752591 is a deficient number, since it is larger than the sum of its proper divisors (23704793).

260752591 is a wasteful number, since it uses less digits than its factorization.

260752591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704792.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 260752591 is about 16147.8354896252. The cubic root of 260752591 is about 638.8656591305.

The spelling of 260752591 in words is "two hundred sixty million, seven hundred fifty-two thousand, five hundred ninety-one".