250613 has 4 divisors (see below), whose sum is σ = 273408. Its totient is φ = 227820.

The previous prime is 250583. The next prime is 250619. The reversal of 250613 is 316052.

250613 is nontrivially palindromic in base 6.

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 250613 - 2¹⁰ = 249589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250591 and 250600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250619) 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, 11381 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (68352).

2²⁵⁰⁶¹³ is an apocalyptic number.

It is an amenable number.

250613 is a deficient number, since it is larger than the sum of its proper divisors (22795).

250613 is a wasteful number, since it uses less digits than its factorization.

250613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 250613 is about 500.6126246910. The cubic root of 250613 is about 63.0474992421.

Adding to 250613 its reverse (316052), we get a palindrome (566665).

The spelling of 250613 in words is "two hundred fifty thousand, six hundred thirteen".