250000801 has 2 divisors, whose sum is σ = 250000802. Its totient is φ = 250000800.

The previous prime is 250000789. The next prime is 250000811. The reversal of 250000801 is 108000052.

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., 242580625 + 7420176 = 15575^2 + 2724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250000801 is a prime.

It is not a weakly prime, because it can be changed into another prime (250000811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125000400 + 125000401.

It is an arithmetic number, because the mean of its divisors is an integer number (125000401).

Almost surely, 2^250000801 is an apocalyptic number.

It is an amenable number.

250000801 is a deficient number, since it is larger than the sum of its proper divisors (1).

250000801 is an equidigital number, since it uses as much as digits as its factorization.

250000801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 250000801 is about 15811.4136306657. The cubic root of 250000801 is about 629.9611977446.

Adding to 250000801 its reverse (108000052), we get a palindrome (358000853).

The spelling of 250000801 in words is "two hundred fifty million, eight hundred one", and thus it is an aban number.