52506437 has 2 divisors, whose sum is σ = 52506438. Its totient is φ = 52506436.

The previous prime is 52506431. The next prime is 52506463. The reversal of 52506437 is 73460525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46226401 + 6280036 = 6799^2 + 2506^2 .

It is a cyclic number.

It is not a de Polignac number, because 52506437 - 2¹⁶ = 52440901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52506431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26253218 + 26253219.

It is an arithmetic number, because the mean of its divisors is an integer number (26253219).

Almost surely, 2^52506437 is an apocalyptic number.

It is an amenable number.

52506437 is a deficient number, since it is larger than the sum of its proper divisors (1).

52506437 is an equidigital number, since it uses as much as digits as its factorization.

52506437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 52506437 is about 7246.1325546805. The cubic root of 52506437 is about 374.4589221868.

The spelling of 52506437 in words is "fifty-two million, five hundred six thousand, four hundred thirty-seven".