5251542450 has 96 divisors (see below), whose sum is σ = 16237532160. Its totient is φ = 1091227200.

The previous prime is 5251542431. The next prime is 5251542463. The reversal of 5251542450 is 542451525.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 215790 + ... + 238889.

It is an arithmetic number, because the mean of its divisors is an integer number (169140960).

Almost surely, 2^5251542450 is an apocalyptic number.

5251542450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5251542450 is an abundant number, since it is smaller than the sum of its proper divisors (10985989710).

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

5251542450 is a wasteful number, since it uses less digits than its factorization.

5251542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454712 (or 454707 counting only the distinct ones).

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

The square root of 5251542450 is about 72467.5268654864. The cubic root of 5251542450 is about 1738.1835152148.

Adding to 5251542450 its reverse (542451525), we get a palindrome (5793993975).

The spelling of 5251542450 in words is "five billion, two hundred fifty-one million, five hundred forty-two thousand, four hundred fifty".