251240234341 has 4 divisors (see below), whose sum is σ = 251246318400. Its totient is φ = 251234150284.

The previous prime is 251240234339. The next prime is 251240234369. The reversal of 251240234341 is 143432042152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 251240234341 - 2¹ = 251240234339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251240234381) 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, 2979661 + ... + 3062818.

It is an arithmetic number, because the mean of its divisors is an integer number (62811579600).

Almost surely, 2^251240234341 is an apocalyptic number.

It is an amenable number.

251240234341 is a deficient number, since it is larger than the sum of its proper divisors (6084059).

251240234341 is an equidigital number, since it uses as much as digits as its factorization.

251240234341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084058.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 251240234341 its reverse (143432042152), we get a palindrome (394672276493).

The spelling of 251240234341 in words is "two hundred fifty-one billion, two hundred forty million, two hundred thirty-four thousand, three hundred forty-one".