259045387 has 4 divisors (see below), whose sum is σ = 261716056. Its totient is φ = 256374720.

The previous prime is 259045361. The next prime is 259045403. The reversal of 259045387 is 783540952.

259045387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 259045387 - 2¹¹ = 259043339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259045687) 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, 1335189 + ... + 1335382.

It is an arithmetic number, because the mean of its divisors is an integer number (65429014).

Almost surely, 2^259045387 is an apocalyptic number.

259045387 is a deficient number, since it is larger than the sum of its proper divisors (2670669).

259045387 is an equidigital number, since it uses as much as digits as its factorization.

259045387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670668.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 259045387 is about 16094.8869831385. The cubic root of 259045387 is about 637.4683409627.

The spelling of 259045387 in words is "two hundred fifty-nine million, forty-five thousand, three hundred eighty-seven".