52443725 has 12 divisors (see below), whose sum is σ = 68856084. Its totient is φ = 39486720.

The previous prime is 52443719. The next prime is 52443731. The reversal of 52443725 is 52734425.

It is an interprime number because it is at equal distance from previous prime (52443719) and next prime (52443731).

It can be written as a sum of positive squares in 6 ways, for example, as 6461764 + 45981961 = 2542^2 + 6781^2 .

It is not a de Polignac number, because 52443725 - 2⁴ = 52443709 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 = 52443691 and 52443700.

It is a congruent number.

It is an unprimeable number.

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, 61274 + ... + 62123.

It is an arithmetic number, because the mean of its divisors is an integer number (5738007).

Almost surely, 2^52443725 is an apocalyptic number.

It is an amenable number.

52443725 is a deficient number, since it is larger than the sum of its proper divisors (16412359).

52443725 is a wasteful number, since it uses less digits than its factorization.

52443725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123424 (or 123419 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 52443725 is about 7241.8039879577. The cubic root of 52443725 is about 374.3097822298.

The spelling of 52443725 in words is "fifty-two million, four hundred forty-three thousand, seven hundred twenty-five".