260042567 has 4 divisors (see below), whose sum is σ = 260219400. Its totient is φ = 259865736.

The previous prime is 260042551. The next prime is 260042581. The reversal of 260042567 is 765240062.

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 260042567 - 2⁴ = 260042551 is a prime.

It is a super-4 number, since 4×260042567⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260042767) 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, 86192 + ... + 89157.

It is an arithmetic number, because the mean of its divisors is an integer number (65054850).

Almost surely, 2^260042567 is an apocalyptic number.

260042567 is a deficient number, since it is larger than the sum of its proper divisors (176833).

260042567 is a wasteful number, since it uses less digits than its factorization.

260042567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176832.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 260042567 is about 16125.8353892132. The cubic root of 260042567 is about 638.2852592751.

The spelling of 260042567 in words is "two hundred sixty million, forty-two thousand, five hundred sixty-seven".