250028001 has 6 divisors (see below), whose sum is σ = 361151570. Its totient is φ = 166685328.

The previous prime is 250027997. The next prime is 250028003. The reversal of 250028001 is 100820052.

It can be written as a sum of positive squares in only one way, i.e., 158155776 + 91872225 = 12576^2 + 9585^2 .

It is not a de Polignac number, because 250028001 - 2² = 250027997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250028003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13890436 + ... + 13890453.

Almost surely, 2^250028001 is an apocalyptic number.

It is an amenable number.

250028001 is a deficient number, since it is larger than the sum of its proper divisors (111123569).

250028001 is a wasteful number, since it uses less digits than its factorization.

250028001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780895 (or 27780892 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 250028001 is about 15812.2737454169. The cubic root of 250028001 is about 629.9840434356.

Adding to 250028001 its reverse (100820052), we get a palindrome (350848053).

The spelling of 250028001 in words is "two hundred fifty million, twenty-eight thousand, one".