259948531 has 4 divisors (see below), whose sum is σ = 260014392. Its totient is φ = 259882672.

The previous prime is 259948523. The next prime is 259948567. The reversal of 259948531 is 135849952.

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 259948531 - 2³ = 259948523 is a prime.

It is a super-2 number, since 2×259948531² = 135146477538115922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259948331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26605 + ... + 35038.

It is an arithmetic number, because the mean of its divisors is an integer number (65003598).

Almost surely, 2^259948531 is an apocalyptic number.

259948531 is a deficient number, since it is larger than the sum of its proper divisors (65861).

259948531 is an equidigital number, since it uses as much as digits as its factorization.

259948531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65860.

The product of its digits is 388800, while the sum is 46.

The square root of 259948531 is about 16122.9194316662. The cubic root of 259948531 is about 638.2083115792.

The spelling of 259948531 in words is "two hundred fifty-nine million, nine hundred forty-eight thousand, five hundred thirty-one".