250221325 has 6 divisors (see below), whose sum is σ = 310274474. Its totient is φ = 200177040.

The previous prime is 250221311. The next prime is 250221337. The reversal of 250221325 is 523122052.

250221325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 82337476 + 167883849 = 9074^2 + 12957^2 .

It is not a de Polignac number, because 250221325 - 2²⁵ = 216666893 is a prime.

It is a super-2 number, since 2×250221325² = 125221422969511250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250221296 and 250221305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5004402 + ... + 5004451.

Almost surely, 2^250221325 is an apocalyptic number.

250221325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250221325 is a deficient number, since it is larger than the sum of its proper divisors (60053149).

250221325 is a wasteful number, since it uses less digits than its factorization.

250221325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10008863 (or 10008858 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 250221325 is about 15818.3856635246. The cubic root of 250221325 is about 630.1463714658.

Adding to 250221325 its reverse (523122052), we get a palindrome (773343377).

The spelling of 250221325 in words is "two hundred fifty million, two hundred twenty-one thousand, three hundred twenty-five".