5251256234 has 16 divisors (see below), whose sum is σ = 9211507008. Its totient is φ = 2198200032.

The previous prime is 5251256203. The next prime is 5251256239. The reversal of 5251256234 is 4326521525.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5251256194 and 5251256203.

It is not an unprimeable number, because it can be changed into a prime (5251256239) 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, 4360907 + ... + 4362110.

It is an arithmetic number, because the mean of its divisors is an integer number (575719188).

Almost surely, 2^5251256234 is an apocalyptic number.

5251256234 is a deficient number, since it is larger than the sum of its proper divisors (3960250774).

5251256234 is a wasteful number, since it uses less digits than its factorization.

5251256234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8723069.

The product of its digits is 72000, while the sum is 35.

The square root of 5251256234 is about 72465.5520506123. The cubic root of 5251256234 is about 1738.1519368753.

Adding to 5251256234 its reverse (4326521525), we get a palindrome (9577777759).

The spelling of 5251256234 in words is "five billion, two hundred fifty-one million, two hundred fifty-six thousand, two hundred thirty-four".