5204572121 has 4 divisors (see below), whose sum is σ = 5948082432. Its totient is φ = 4461061812.

The previous prime is 5204572111. The next prime is 5204572147. The reversal of 5204572121 is 1212754025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5204572121 - 2¹⁴ = 5204555737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5204572111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371755145 + ... + 371755158.

It is an arithmetic number, because the mean of its divisors is an integer number (1487020608).

Almost surely, 2^5204572121 is an apocalyptic number.

It is an amenable number.

5204572121 is a deficient number, since it is larger than the sum of its proper divisors (743510311).

5204572121 is an equidigital number, since it uses as much as digits as its factorization.

5204572121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743510310.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 5204572121 is about 72142.7204990219. The cubic root of 5204572121 is about 1732.9858247580.

The spelling of 5204572121 in words is "five billion, two hundred four million, five hundred seventy-two thousand, one hundred twenty-one".