5245504121 has 16 divisors (see below), whose sum is σ = 6220162368. Its totient is φ = 4360670400.

The previous prime is 5245504093. The next prime is 5245504123. The reversal of 5245504121 is 1214055425.

It is a cyclic number.

It is not a de Polignac number, because 5245504121 - 2²² = 5241309817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5245504123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156110 + ... + 186711.

It is an arithmetic number, because the mean of its divisors is an integer number (388760148).

Almost surely, 2^5245504121 is an apocalyptic number.

It is an amenable number.

5245504121 is a deficient number, since it is larger than the sum of its proper divisors (974658247).

5245504121 is a wasteful number, since it uses less digits than its factorization.

5245504121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342952.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 5245504121 is about 72425.8525735113. The cubic root of 5245504121 is about 1737.5170602745.

Adding to 5245504121 its reverse (1214055425), we get a palindrome (6459559546).

The spelling of 5245504121 in words is "five billion, two hundred forty-five million, five hundred four thousand, one hundred twenty-one".