250901146217 has 2 divisors, whose sum is σ = 250901146218. Its totient is φ = 250901146216.

The previous prime is 250901146213. The next prime is 250901146241. The reversal of 250901146217 is 712641109052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246543033961 + 4358112256 = 496531^2 + 66016^2 .

It is a cyclic number.

It is not a de Polignac number, because 250901146217 - 2² = 250901146213 is a prime.

It is a super-2 number, since 2×250901146217² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250901146213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125450573108 + 125450573109.

It is an arithmetic number, because the mean of its divisors is an integer number (125450573109).

Almost surely, 2^250901146217 is an apocalyptic number.

It is an amenable number.

250901146217 is a deficient number, since it is larger than the sum of its proper divisors (1).

250901146217 is an equidigital number, since it uses as much as digits as its factorization.

250901146217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 250901146217 in words is "two hundred fifty billion, nine hundred one million, one hundred forty-six thousand, two hundred seventeen".