250000011 has 12 divisors (see below), whose sum is σ = 382353192. Its totient is φ = 156862656.

The previous prime is 249999991. The next prime is 250000013. The reversal of 250000011 is 110000052.

It is a happy number.

It is not a de Polignac number, because 250000011 - 2¹¹ = 249997963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 249999948 and 250000002.

It is not an unprimeable number, because it can be changed into a prime (250000013) 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, 816841 + ... + 817146.

It is an arithmetic number, because the mean of its divisors is an integer number (31862766).

Almost surely, 2^250000011 is an apocalyptic number.

250000011 is a deficient number, since it is larger than the sum of its proper divisors (132353181).

250000011 is a wasteful number, since it uses less digits than its factorization.

250000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634010 (or 1634007 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 250000011 is about 15811.3886486924. The cubic root of 250000011 is about 629.9605341869.

Adding to 250000011 its reverse (110000052), we get a palindrome (360000063).

The spelling of 250000011 in words is "two hundred fifty million, eleven", and thus it is an aban number.