52013121 has 8 divisors (see below), whose sum is σ = 69602304. Its totient is φ = 34549680.

The previous prime is 52013119. The next prime is 52013123. The reversal of 52013121 is 12131025.

It is an interprime number because it is at equal distance from previous prime (52013119) and next prime (52013123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52013121 - 2¹ = 52013119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52013121.

It is not an unprimeable number, because it can be changed into a prime (52013123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30465 + ... + 32126.

It is an arithmetic number, because the mean of its divisors is an integer number (8700288).

Almost surely, 2^52013121 is an apocalyptic number.

It is an amenable number.

52013121 is a deficient number, since it is larger than the sum of its proper divisors (17589183).

52013121 is a wasteful number, since it uses less digits than its factorization.

52013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62871.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 52013121 is about 7212.0122712042. The cubic root of 52013121 is about 373.2825068101.

Adding to 52013121 its reverse (12131025), we get a palindrome (64144146).

The spelling of 52013121 in words is "fifty-two million, thirteen thousand, one hundred twenty-one".