52136225 has 12 divisors (see below), whose sum is σ = 64940784. Its totient is φ = 41520720.

The previous prime is 52136221. The next prime is 52136243. The reversal of 52136225 is 52263125.

It is not a de Polignac number, because 52136225 - 2² = 52136221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52136194 and 52136203.

It is not an unprimeable number, because it can be changed into a prime (52136221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1082 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (5411732).

Almost surely, 2^52136225 is an apocalyptic number.

It is an amenable number.

52136225 is a deficient number, since it is larger than the sum of its proper divisors (12804559).

52136225 is a wasteful number, since it uses less digits than its factorization.

52136225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424 (or 9419 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 52136225 is about 7220.5418771724. The cubic root of 52136225 is about 373.5767682266.

The spelling of 52136225 in words is "fifty-two million, one hundred thirty-six thousand, two hundred twenty-five".