52697143 has 2 divisors, whose sum is σ = 52697144. Its totient is φ = 52697142.

The previous prime is 52697137. The next prime is 52697149. The reversal of 52697143 is 34179625.

It is a balanced prime because it is at equal distance from previous prime (52697137) and next prime (52697149).

It is a cyclic number.

It is not a de Polignac number, because 52697143 - 2⁵ = 52697111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52697149) 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 as a sum of consecutive naturals, namely, 26348571 + 26348572.

It is an arithmetic number, because the mean of its divisors is an integer number (26348572).

Almost surely, 2^52697143 is an apocalyptic number.

52697143 is a deficient number, since it is larger than the sum of its proper divisors (1).

52697143 is an equidigital number, since it uses as much as digits as its factorization.

52697143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 52697143 is about 7259.2797852129. The cubic root of 52697143 is about 374.9117255923.

The spelling of 52697143 in words is "fifty-two million, six hundred ninety-seven thousand, one hundred forty-three".