5251214430 has 96 divisors (see below), whose sum is σ = 17022140928. Its totient is φ = 1091160000.

The previous prime is 5251214429. The next prime is 5251214443. The reversal of 5251214430 is 344121525.

5251214430 is a `hidden beast` number, since 5 + 2 + 512 + 144 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5251214394 and 5251214403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371946 + ... + 385805.

It is an arithmetic number, because the mean of its divisors is an integer number (177313968).

Almost surely, 2^5251214430 is an apocalyptic number.

5251214430 is an abundant number, since it is smaller than the sum of its proper divisors (11770926498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5251214430 is a wasteful number, since it uses less digits than its factorization.

5251214430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757782 (or 757779 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5251214430 is about 72465.2636095392. The cubic root of 5251214430 is about 1738.1473245252.

Adding to 5251214430 its reverse (344121525), we get a palindrome (5595335955).

The spelling of 5251214430 in words is "five billion, two hundred fifty-one million, two hundred fourteen thousand, four hundred thirty".