5252243400 has 72 divisors (see below), whose sum is σ = 17638790130. Its totient is φ = 1400597760.

The previous prime is 5252243333. The next prime is 5252243401. The reversal of 5252243400 is 43422525.

It is a happy number.

5252243400 is a `hidden beast` number, since 5 + 252 + 2 + 4 + 3 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4333062276 + 919181124 = 65826^2 + 30318^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (5252243401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1457157 + ... + 1460756.

Almost surely, 2^5252243400 is an apocalyptic number.

5252243400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5252243400 is an abundant number, since it is smaller than the sum of its proper divisors (12386546730).

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

5252243400 is a wasteful number, since it uses less digits than its factorization.

5252243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917935 (or 2917923 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 5252243400 is about 72472.3630082530. The cubic root of 5252243400 is about 1738.2608464969.

Adding to 5252243400 its reverse (43422525), we get a palindrome (5295665925).

The spelling of 5252243400 in words is "five billion, two hundred fifty-two million, two hundred forty-three thousand, four hundred".