250343641 has 2 divisors, whose sum is σ = 250343642. Its totient is φ = 250343640.

The previous prime is 250343627. The next prime is 250343647. The reversal of 250343641 is 146343052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146894400 + 103449241 = 12120^2 + 10171^2 .

It is a cyclic number.

It is not a de Polignac number, because 250343641 - 2⁵ = 250343609 is a prime.

It is not a weakly prime, because it can be changed into another prime (250343647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125171820 + 125171821.

It is an arithmetic number, because the mean of its divisors is an integer number (125171821).

Almost surely, 2^250343641 is an apocalyptic number.

It is an amenable number.

250343641 is a deficient number, since it is larger than the sum of its proper divisors (1).

250343641 is an equidigital number, since it uses as much as digits as its factorization.

250343641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 250343641 is about 15822.2514516740. The cubic root of 250343641 is about 630.2490331498.

Adding to 250343641 its reverse (146343052), we get a palindrome (396686693).

The spelling of 250343641 in words is "two hundred fifty million, three hundred forty-three thousand, six hundred forty-one".