52152225 has 24 divisors (see below), whose sum is σ = 86467680. Its totient is φ = 27736320.

The previous prime is 52152223. The next prime is 52152227. The reversal of 52152225 is 52225125.

It is an interprime number because it is at equal distance from previous prime (52152223) and next prime (52152227).

It is not a de Polignac number, because 52152225 - 2¹ = 52152223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52152195 and 52152204.

It is not an unprimeable number, because it can be changed into a prime (52152223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34281 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (3602820).

Almost surely, 2^52152225 is an apocalyptic number.

It is an amenable number.

52152225 is a deficient number, since it is larger than the sum of its proper divisors (34315455).

52152225 is a wasteful number, since it uses less digits than its factorization.

52152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1964 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 52152225 is about 7221.6497422680. The cubic root of 52152225 is about 373.6149797705.

Subtracting 52152225 from its reverse (52225125), we obtain a square (72900 = 270²).

The spelling of 52152225 in words is "fifty-two million, one hundred fifty-two thousand, two hundred twenty-five".