250552321 has 2 divisors, whose sum is σ = 250552322. Its totient is φ = 250552320.

The previous prime is 250552243. The next prime is 250552333. The reversal of 250552321 is 123255052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209091600 + 41460721 = 14460^2 + 6439^2 .

It is a cyclic number.

It is not a de Polignac number, because 250552321 - 2¹⁹ = 250028033 is a prime.

It is not a weakly prime, because it can be changed into another prime (250555321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125276160 + 125276161.

It is an arithmetic number, because the mean of its divisors is an integer number (125276161).

Almost surely, 2^250552321 is an apocalyptic number.

It is an amenable number.

250552321 is a deficient number, since it is larger than the sum of its proper divisors (1).

250552321 is an equidigital number, since it uses as much as digits as its factorization.

250552321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 250552321 is about 15828.8445882825. The cubic root of 250552321 is about 630.4241042915.

The spelling of 250552321 in words is "two hundred fifty million, five hundred fifty-two thousand, three hundred twenty-one".