251041041 has 24 divisors (see below), whose sum is σ = 374459904. Its totient is φ = 161943840.

The previous prime is 251041039. The next prime is 251041079. The reversal of 251041041 is 140140152.

251041041 is a `hidden beast` number, since 251 + 0 + 410 + 4 + 1 = 666.

It is not a de Polignac number, because 251041041 - 2¹ = 251041039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (251041001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61630 + ... + 65576.

It is an arithmetic number, because the mean of its divisors is an integer number (15602496).

Almost surely, 2^251041041 is an apocalyptic number.

It is an amenable number.

251041041 is a deficient number, since it is larger than the sum of its proper divisors (123418863).

251041041 is a wasteful number, since it uses less digits than its factorization.

251041041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181 (or 4178 counting only the distinct ones).

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

The square root of 251041041 is about 15844.2747072878. The cubic root of 251041041 is about 630.8337336518.

Adding to 251041041 its reverse (140140152), we get a palindrome (391181193).

The spelling of 251041041 in words is "two hundred fifty-one million, forty-one thousand, forty-one".