259051901 has 4 divisors (see below), whose sum is σ = 261567072. Its totient is φ = 256536732.

The previous prime is 259051889. The next prime is 259051913. The reversal of 259051901 is 109150952.

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 an interprime number because it is at equal distance from previous prime (259051889) and next prime (259051913).

It is a cyclic number.

It is not a de Polignac number, because 259051901 - 2¹⁸ = 258789757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259051951) 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, 1257431 + ... + 1257636.

It is an arithmetic number, because the mean of its divisors is an integer number (65391768).

Almost surely, 2^259051901 is an apocalyptic number.

It is an amenable number.

259051901 is a deficient number, since it is larger than the sum of its proper divisors (2515171).

259051901 is a wasteful number, since it uses less digits than its factorization.

259051901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515170.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 259051901 is about 16095.0893442690. The cubic root of 259051901 is about 637.4736842142.

It can be divided in two parts, 259051 and 901, that added together give a palindrome (259952).

The spelling of 259051901 in words is "two hundred fifty-nine million, fifty-one thousand, nine hundred one".