52205437 has 2 divisors, whose sum is σ = 52205438. Its totient is φ = 52205436.

The previous prime is 52205431. The next prime is 52205443. The reversal of 52205437 is 73450225.

It is a balanced prime because it is at equal distance from previous prime (52205431) and next prime (52205443).

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 2277081 = 7066^2 + 1509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52205437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52205431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26102718 + 26102719.

It is an arithmetic number, because the mean of its divisors is an integer number (26102719).

Almost surely, 2^52205437 is an apocalyptic number.

It is an amenable number.

52205437 is a deficient number, since it is larger than the sum of its proper divisors (1).

52205437 is an equidigital number, since it uses as much as digits as its factorization.

52205437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 52205437 is about 7225.3330027065. Note that the first 3 decimals coincide. The cubic root of 52205437 is about 373.7420056231.

The spelling of 52205437 in words is "fifty-two million, two hundred five thousand, four hundred thirty-seven".