250430 has 16 divisors (see below), whose sum is σ = 457920. Its totient is φ = 98592.

The previous prime is 250423. The next prime is 250433. The reversal of 250430 is 34052.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632 + ... + 948.

It is an arithmetic number, because the mean of its divisors is an integer number (28620).

2²⁵⁰⁴³⁰ is an apocalyptic number.

250430 is a deficient number, since it is larger than the sum of its proper divisors (207490).

250430 is a wasteful number, since it uses less digits than its factorization.

250430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 250430 is about 500.4298152588. The cubic root of 250430 is about 63.0321495438.

Adding to 250430 its reverse (34052), we get a palindrome (284482).

The spelling of 250430 in words is "two hundred fifty thousand, four hundred thirty".