250203000105 has 12 divisors (see below), whose sum is σ = 433685200260. Its totient is φ = 133441600032.

The previous prime is 250203000083. The next prime is 250203000109. The reversal of 250203000105 is 501000302052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58558676121 + 191644323984 = 241989^2 + 437772^2 .

It is not a de Polignac number, because 250203000105 - 2¹¹ = 250202998057 is a prime.

It is a super-2 number, since 2×250203000105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250203000109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2780033290 + ... + 2780033379.

It is an arithmetic number, because the mean of its divisors is an integer number (36140433355).

Almost surely, 2^250203000105 is an apocalyptic number.

It is an amenable number.

250203000105 is a deficient number, since it is larger than the sum of its proper divisors (183482200155).

250203000105 is a wasteful number, since it uses less digits than its factorization.

250203000105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560066680 (or 5560066677 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 250203000105 its reverse (501000302052), we get a palindrome (751203302157).

The spelling of 250203000105 in words is "two hundred fifty billion, two hundred three million, one hundred five", and thus it is an aban number.