259890741 has 32 divisors (see below), whose sum is σ = 420925440. Its totient is φ = 157172400.

The previous prime is 259890739. The next prime is 259890749. The reversal of 259890741 is 147098952.

It is not a de Polignac number, because 259890741 - 2¹ = 259890739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259890749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261756 + ... + 262746.

It is an arithmetic number, because the mean of its divisors is an integer number (13153920).

Almost surely, 2^259890741 is an apocalyptic number.

It is an amenable number.

259890741 is a deficient number, since it is larger than the sum of its proper divisors (161034699).

259890741 is a wasteful number, since it uses less digits than its factorization.

259890741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 259890741 is about 16121.1271628258. The cubic root of 259890741 is about 638.1610140217.

It can be divided in two parts, 2598 and 90741, that added together give a palindrome (93339).

The spelling of 259890741 in words is "two hundred fifty-nine million, eight hundred ninety thousand, seven hundred forty-one".