5162121053 has 4 divisors (see below), whose sum is σ = 5163010368.
Its totient is φ = 5161231740.
The previous prime is 5162121037. The next prime is 5162121079. The reversal of 5162121053 is 3501212615.
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 5162121053 - 24 = 5162121037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5162120053) 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, 435893 + ... + 447578.
It is an arithmetic number, because the mean of its divisors is an integer number (1290752592).
Almost surely, 25162121053 is an apocalyptic number.
It is an amenable number.
5162121053 is a deficient number, since it is larger than the sum of its proper divisors (889315).
5162121053 is an equidigital number, since it uses as much as digits as its factorization.
5162121053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 889314.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 5162121053 is about 71847.9022171142.
The cubic root of 5162121053 is about 1728.2612591741.
Adding to 5162121053 its reverse (3501212615), we get a palindrome (8663333668).
The spelling of 5162121053 in words is "five billion, one hundred sixty-two million, one hundred twenty-one thousand, fifty-three".