5451254250 has 128 divisors (see below), whose sum is σ = 14699543040. Its totient is φ = 1337587200.

The previous prime is 5451254239. The next prime is 5451254257. The reversal of 5451254250 is 524521545.

It is not an unprimeable number, because it can be changed into a prime (5451254257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3987067 + ... + 3988433.

It is an arithmetic number, because the mean of its divisors is an integer number (114840180).

Almost surely, 2^5451254250 is an apocalyptic number.

5451254250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5451254250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7349771520).

5451254250 is an abundant number, since it is smaller than the sum of its proper divisors (9248288790).

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

5451254250 is a wasteful number, since it uses less digits than its factorization.

5451254250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 5451254250 is about 73832.6096653775. The cubic root of 5451254250 is about 1759.9438525907.

Adding to 5451254250 its reverse (524521545), we get a palindrome (5975775795).

The spelling of 5451254250 in words is "five billion, four hundred fifty-one million, two hundred fifty-four thousand, two hundred fifty".