260435542 has 4 divisors (see below), whose sum is σ = 390653316. Its totient is φ = 130217770.

The previous prime is 260435533. The next prime is 260435579. The reversal of 260435542 is 245534062.

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

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65108884 + ... + 65108887.

It is an arithmetic number, because the mean of its divisors is an integer number (97663329).

Almost surely, 2^260435542 is an apocalyptic number.

260435542 is a deficient number, since it is larger than the sum of its proper divisors (130217774).

260435542 is a wasteful number, since it uses less digits than its factorization.

260435542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130217773.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 260435542 is about 16138.0154294139. The cubic root of 260435542 is about 638.6066219243.

The spelling of 260435542 in words is "two hundred sixty million, four hundred thirty-five thousand, five hundred forty-two".