259451 has 2 divisors, whose sum is σ = 259452. Its totient is φ = 259450.

The previous prime is 259429. The next prime is 259453. The reversal of 259451 is 154952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259451 - 2⁶ = 259387 is a prime.

Together with 259453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259451.

It is not a weakly prime, because it can be changed into another prime (259453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129725 + 129726.

It is an arithmetic number, because the mean of its divisors is an integer number (129726).

2²⁵⁹⁴⁵¹ is an apocalyptic number.

259451 is a deficient number, since it is larger than the sum of its proper divisors (1).

259451 is an equidigital number, since it uses as much as digits as its factorization.

259451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 259451 is about 509.3633280871. The cubic root of 259451 is about 63.7800883215.

The spelling of 259451 in words is "two hundred fifty-nine thousand, four hundred fifty-one".