52163121 has 4 divisors (see below), whose sum is σ = 69550832. Its totient is φ = 34775412.

The previous prime is 52163119. The next prime is 52163159. The reversal of 52163121 is 12136125.

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 not a de Polignac number, because 52163121 - 2¹ = 52163119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52163921) 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, 8693851 + ... + 8693856.

It is an arithmetic number, because the mean of its divisors is an integer number (17387708).

Almost surely, 2^52163121 is an apocalyptic number.

It is an amenable number.

52163121 is a deficient number, since it is larger than the sum of its proper divisors (17387711).

52163121 is a wasteful number, since it uses less digits than its factorization.

52163121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387710.

The product of its digits is 360, while the sum is 21.

The square root of 52163121 is about 7222.4041011287. The cubic root of 52163121 is about 373.6409973588.

Adding to 52163121 its reverse (12136125), we get a palindrome (64299246).

The spelling of 52163121 in words is "fifty-two million, one hundred sixty-three thousand, one hundred twenty-one".