5251254120 has 192 divisors, whose sum is σ = 19542481920. Its totient is φ = 1197960192.

The previous prime is 5251254101. The next prime is 5251254121. The reversal of 5251254120 is 214521525.

5251254120 is a `hidden beast` number, since 52 + 51 + 2 + 541 + 20 = 666.

It is not an unprimeable number, because it can be changed into a prime (5251254121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1527924 + ... + 1531356.

It is an arithmetic number, because the mean of its divisors is an integer number (101783760).

Almost surely, 2^5251254120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5251254120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9771240960).

5251254120 is an abundant number, since it is smaller than the sum of its proper divisors (14291227800).

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

5251254120 is a wasteful number, since it uses less digits than its factorization.

5251254120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5251254120 is about 72465.5374643699. The cubic root of 5251254120 is about 1738.1517036325.

Adding to 5251254120 its reverse (214521525), we get a palindrome (5465775645).

The spelling of 5251254120 in words is "five billion, two hundred fifty-one million, two hundred fifty-four thousand, one hundred twenty".