5242512500 has 36 divisors (see below), whose sum is σ = 11467289484. Its totient is φ = 2097000000.

The previous prime is 5242512491. The next prime is 5242512503. The reversal of 5242512500 is 52152425.

It can be written as a sum of positive squares in 6 ways, for example, as 3221470564 + 2021041936 = 56758^2 + 44956^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5242512500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242512503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197201 + ... + 222200.

It is an arithmetic number, because the mean of its divisors is an integer number (318535819).

Almost surely, 2^5242512500 is an apocalyptic number.

5242512500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5242512500 is an abundant number, since it is smaller than the sum of its proper divisors (6224776984).

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

5242512500 is an equidigital number, since it uses as much as digits as its factorization.

5242512500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419430 (or 419408 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5242512500 is about 72405.1966367056. The cubic root of 5242512500 is about 1737.1866833210.

Adding to 5242512500 its reverse (52152425), we get a palindrome (5294664925).

The spelling of 5242512500 in words is "five billion, two hundred forty-two million, five hundred twelve thousand, five hundred".