250522 has 4 divisors (see below), whose sum is σ = 375786. Its totient is φ = 125260.

The previous prime is 250501. The next prime is 250543. The reversal of 250522 is 225052.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (250501) and next prime (250543).

It can be written as a sum of positive squares in only one way, i.e., 249001 + 1521 = 499^2 + 39^2 .

It is a super-2 number, since 2×250522² = 125522544968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250496 and 250505.

It is an unprimeable number.

250522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62629 + ... + 62632.

2²⁵⁰⁵²² is an apocalyptic number.

250522 is a deficient number, since it is larger than the sum of its proper divisors (125264).

250522 is a wasteful number, since it uses less digits than its factorization.

250522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125263.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 250522 is about 500.5217278001. The cubic root of 250522 is about 63.0398672663.

Adding to 250522 its reverse (225052), we get a palindrome (475574).

The spelling of 250522 in words is "two hundred fifty thousand, five hundred twenty-two".