250145001 has 12 divisors (see below), whose sum is σ = 368138628. Its totient is φ = 163616544.

The previous prime is 250144991. The next prime is 250145009. The reversal of 250145001 is 100541052.

It can be written as a sum of positive squares in 2 ways, for example, as 151659225 + 98485776 = 12315^2 + 9924^2 .

It is a de Polignac number, because none of the positive numbers 2^k-250145001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250145009) 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, 261730 + ... + 262683.

It is an arithmetic number, because the mean of its divisors is an integer number (30678219).

Almost surely, 2^250145001 is an apocalyptic number.

It is an amenable number.

250145001 is a deficient number, since it is larger than the sum of its proper divisors (117993627).

250145001 is a wasteful number, since it uses less digits than its factorization.

250145001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524472 (or 524469 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 250145001 is about 15815.9729703866. The cubic root of 250145001 is about 630.0822946163.

Adding to 250145001 its reverse (100541052), we get a palindrome (350686053).

The spelling of 250145001 in words is "two hundred fifty million, one hundred forty-five thousand, one".