250151161 has 4 divisors (see below), whose sum is σ = 269393572. Its totient is φ = 230908752.

The previous prime is 250151147. The next prime is 250151171. The reversal of 250151161 is 161151052.

It is a happy number.

250151161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49787136 + 200364025 = 7056^2 + 14155^2 .

It is a cyclic number.

It is not a de Polignac number, because 250151161 - 2¹¹ = 250149113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250151101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9621186 + ... + 9621211.

It is an arithmetic number, because the mean of its divisors is an integer number (67348393).

Almost surely, 2^250151161 is an apocalyptic number.

It is an amenable number.

250151161 is a deficient number, since it is larger than the sum of its proper divisors (19242411).

250151161 is a wasteful number, since it uses less digits than its factorization.

250151161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19242410.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 250151161 is about 15816.1677090248. The cubic root of 250151161 is about 630.0874666499.

The spelling of 250151161 in words is "two hundred fifty million, one hundred fifty-one thousand, one hundred sixty-one".