260984539 has 2 divisors, whose sum is σ = 260984540. Its totient is φ = 260984538.

The previous prime is 260984509. The next prime is 260984573. The reversal of 260984539 is 935489062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260984539 - 2⁷ = 260984411 is a prime.

It is a super-2 number, since 2×260984539² = 136225859194085042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260984509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130492269 + 130492270.

It is an arithmetic number, because the mean of its divisors is an integer number (130492270).

Almost surely, 2^260984539 is an apocalyptic number.

260984539 is a deficient number, since it is larger than the sum of its proper divisors (1).

260984539 is an equidigital number, since it uses as much as digits as its factorization.

260984539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 260984539 is about 16155.0159083797. The cubic root of 260984539 is about 639.0550336572.

The spelling of 260984539 in words is "two hundred sixty million, nine hundred eighty-four thousand, five hundred thirty-nine".