52683661 has 2 divisors, whose sum is σ = 52683662. Its totient is φ = 52683660.

The previous prime is 52683649. The next prime is 52683667. The reversal of 52683661 is 16638625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47817225 + 4866436 = 6915^2 + 2206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52683661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52683661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52683667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26341830 + 26341831.

It is an arithmetic number, because the mean of its divisors is an integer number (26341831).

Almost surely, 2^52683661 is an apocalyptic number.

It is an amenable number.

52683661 is a deficient number, since it is larger than the sum of its proper divisors (1).

52683661 is an equidigital number, since it uses as much as digits as its factorization.

52683661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 52683661 is about 7258.3511212947. The cubic root of 52683661 is about 374.8797504813.

The spelling of 52683661 in words is "fifty-two million, six hundred eighty-three thousand, six hundred sixty-one".