52152101 has 4 divisors (see below), whose sum is σ = 52196172. Its totient is φ = 52108032.

The previous prime is 52152059. The next prime is 52152143. The reversal of 52152101 is 10125125.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52152059) and next prime (52152143).

It can be written as a sum of positive squares in 2 ways, for example, as 40768225 + 11383876 = 6385^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 52152101 - 2¹⁴ = 52135717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52152101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152151) 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, 20210 + ... + 22643.

It is an arithmetic number, because the mean of its divisors is an integer number (13049043).

Almost surely, 2^52152101 is an apocalyptic number.

It is an amenable number.

52152101 is a deficient number, since it is larger than the sum of its proper divisors (44071).

52152101 is a wasteful number, since it uses less digits than its factorization.

52152101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44070.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 52152101 is about 7221.6411569670. The cubic root of 52152101 is about 373.6146836611.

Adding to 52152101 its reverse (10125125), we get a palindrome (62277226).

The spelling of 52152101 in words is "fifty-two million, one hundred fifty-two thousand, one hundred one".