259143601 has 4 divisors (see below), whose sum is σ = 267503104. Its totient is φ = 250784100.

The previous prime is 259143589. The next prime is 259143613. The reversal of 259143601 is 106341952.

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 (259143589) and next prime (259143613).

It is a cyclic number.

It is not a de Polignac number, because 259143601 - 2⁵ = 259143569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 8359471 = 259143601 / (2 + 5 + 9 + 1 + 4 + 3 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259143701) 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, 4179705 + ... + 4179766.

It is an arithmetic number, because the mean of its divisors is an integer number (66875776).

Almost surely, 2^259143601 is an apocalyptic number.

It is an amenable number.

259143601 is a deficient number, since it is larger than the sum of its proper divisors (8359503).

259143601 is an equidigital number, since it uses as much as digits as its factorization.

259143601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359502.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 259143601 is about 16097.9377871826. The cubic root of 259143601 is about 637.5488936484.

The spelling of 259143601 in words is "two hundred fifty-nine million, one hundred forty-three thousand, six hundred one".