52750513 has 2 divisors, whose sum is σ = 52750514. Its totient is φ = 52750512.

The previous prime is 52750483. The next prime is 52750519. The reversal of 52750513 is 31505725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49449024 + 3301489 = 7032^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 52750513 - 2⁹ = 52750001 is a prime.

It is not a weakly prime, because it can be changed into another prime (52750519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26375256 + 26375257.

It is an arithmetic number, because the mean of its divisors is an integer number (26375257).

Almost surely, 2^52750513 is an apocalyptic number.

It is an amenable number.

52750513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52750513 is an equidigital number, since it uses as much as digits as its factorization.

52750513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 52750513 is about 7262.9548394576. The cubic root of 52750513 is about 375.0382491356.

It can be divided in two parts, 527 and 50513, that added together give a triangular number (51040 = T₃₁₉).

The spelling of 52750513 in words is "fifty-two million, seven hundred fifty thousand, five hundred thirteen".