259056493 has 4 divisors (see below), whose sum is σ = 262705248. Its totient is φ = 255407740.

The previous prime is 259056403. The next prime is 259056517. The reversal of 259056493 is 394650952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 259056493 - 2¹³ = 259048301 is a prime.

It is a super-2 number, since 2×259056493² = 134220533130918098, which contains 22 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 (259056403) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1824271 + ... + 1824412.

It is an arithmetic number, because the mean of its divisors is an integer number (65676312).

Almost surely, 2^259056493 is an apocalyptic number.

It is an amenable number.

259056493 is a deficient number, since it is larger than the sum of its proper divisors (3648755).

259056493 is an equidigital number, since it uses as much as digits as its factorization.

259056493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648754.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 259056493 is about 16095.2319958427. The cubic root of 259056493 is about 637.4774508492.

The spelling of 259056493 in words is "two hundred fifty-nine million, fifty-six thousand, four hundred ninety-three".