250105481 has 2 divisors, whose sum is σ = 250105482. Its totient is φ = 250105480.

The previous prime is 250105469. The next prime is 250105577. The reversal of 250105481 is 184501052.

250105481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175801081 + 74304400 = 13259^2 + 8620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250105481 is a prime.

It is a super-2 number, since 2×250105481² = 125105503252482722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250105481.

It is not a weakly prime, because it can be changed into another prime (250105441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125052740 + 125052741.

It is an arithmetic number, because the mean of its divisors is an integer number (125052741).

Almost surely, 2^250105481 is an apocalyptic number.

It is an amenable number.

250105481 is a deficient number, since it is larger than the sum of its proper divisors (1).

250105481 is an equidigital number, since it uses as much as digits as its factorization.

250105481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 250105481 is about 15814.7235511722. The cubic root of 250105481 is about 630.0491109779.

The spelling of 250105481 in words is "two hundred fifty million, one hundred five thousand, four hundred eighty-one".