250553 has 4 divisors (see below), whose sum is σ = 263760. Its totient is φ = 237348.

The previous prime is 250543. The next prime is 250583. The reversal of 250553 is 355052.

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 not a de Polignac number, because 250553 - 2⁶ = 250489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250543) 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 3 ways as a sum of consecutive naturals, for example, 6575 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (65940).

2²⁵⁰⁵⁵³ is an apocalyptic number.

It is an amenable number.

250553 is a deficient number, since it is larger than the sum of its proper divisors (13207).

250553 is a wasteful number, since it uses less digits than its factorization.

250553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13206.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 250553 is about 500.5526945288. The cubic root of 250553 is about 63.0424673777.

The spelling of 250553 in words is "two hundred fifty thousand, five hundred fifty-three".