251427241 has 8 divisors (see below), whose sum is σ = 270892160. Its totient is φ = 231980112.

The previous prime is 251427227. The next prime is 251427287. The reversal of 251427241 is 142724152.

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

It is not a de Polignac number, because 251427241 - 2²⁷ = 117209513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (251487241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47170 + ... + 52228.

It is an arithmetic number, because the mean of its divisors is an integer number (33861520).

Almost surely, 2^251427241 is an apocalyptic number.

It is an amenable number.

251427241 is a deficient number, since it is larger than the sum of its proper divisors (19464919).

251427241 is a wasteful number, since it uses less digits than its factorization.

251427241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its digits is 4480, while the sum is 28.

The square root of 251427241 is about 15856.4573912334. The cubic root of 251427241 is about 631.1570581590.

The spelling of 251427241 in words is "two hundred fifty-one million, four hundred twenty-seven thousand, two hundred forty-one".