250135081 has 8 divisors (see below), whose sum is σ = 291951360. Its totient is φ = 209839488.

The previous prime is 250135079. The next prime is 250135139. The reversal of 250135081 is 180531052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250135081 - 2¹ = 250135079 is a prime.

It is a super-2 number, since 2×250135081² = 125135117493753122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250135381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379816 + ... + 380473.

It is an arithmetic number, because the mean of its divisors is an integer number (36493920).

Almost surely, 2^250135081 is an apocalyptic number.

It is an amenable number.

250135081 is a deficient number, since it is larger than the sum of its proper divisors (41816279).

250135081 is an equidigital number, since it uses as much as digits as its factorization.

250135081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760343.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 250135081 is about 15815.6593602670. The cubic root of 250135081 is about 630.0739654486.

The spelling of 250135081 in words is "two hundred fifty million, one hundred thirty-five thousand, eighty-one".