251325241 has 8 divisors (see below), whose sum is σ = 255424320. Its totient is φ = 247236528.

The previous prime is 251325227. The next prime is 251325247. The reversal of 251325241 is 142523152.

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 251325241 - 2⁹ = 251324729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (251325247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57315 + ... + 61543.

It is an arithmetic number, because the mean of its divisors is an integer number (31928040).

Almost surely, 2^251325241 is an apocalyptic number.

It is an amenable number.

251325241 is a deficient number, since it is larger than the sum of its proper divisors (4099079).

251325241 is an equidigital number, since it uses as much as digits as its factorization.

251325241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183.

The product of its digits is 2400, while the sum is 25.

The square root of 251325241 is about 15853.2407097098. The cubic root of 251325241 is about 631.0716965155.

Adding to 251325241 its reverse (142523152), we get a palindrome (393848393).

The spelling of 251325241 in words is "two hundred fifty-one million, three hundred twenty-five thousand, two hundred forty-one".