251359 has 2 divisors, whose sum is σ = 251360. Its totient is φ = 251358.

The previous prime is 251353. The next prime is 251387. The reversal of 251359 is 953152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251359 - 2⁷ = 251231 is a prime.

251359 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125679 + 125680.

It is an arithmetic number, because the mean of its divisors is an integer number (125680).

2²⁵¹³⁵⁹ is an apocalyptic number.

251359 is a deficient number, since it is larger than the sum of its proper divisors (1).

251359 is an equidigital number, since it uses as much as digits as its factorization.

251359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 25.

The square root of 251359 is about 501.3571581218. The cubic root of 251359 is about 63.1099951265.

It can be divided in two parts, 251 and 359, that multiplied together give a palindrome (90109).

The spelling of 251359 in words is "two hundred fifty-one thousand, three hundred fifty-nine".