250493 has 4 divisors (see below), whose sum is σ = 261408. Its totient is φ = 239580.

The previous prime is 250489. The next prime is 250499. The reversal of 250493 is 394052.

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 a cyclic number.

It is not a de Polignac number, because 250493 - 2² = 250489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 10891 = 250493 / (2 + 5 + 0 + 4 + 9 + 3).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (65352).

2²⁵⁰⁴⁹³ is an apocalyptic number.

250493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

250493 is a deficient number, since it is larger than the sum of its proper divisors (10915).

250493 is a wasteful number, since it uses less digits than its factorization.

250493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 250493 is about 500.4927571904. The cubic root of 250493 is about 63.0374347099.

It can be divided in two parts, 25049 and 3, that added together give a palindrome (25052).

The spelling of 250493 in words is "two hundred fifty thousand, four hundred ninety-three".