52562509 has 2 divisors, whose sum is σ = 52562510. Its totient is φ = 52562508.

The previous prime is 52562483. The next prime is 52562527. The reversal of 52562509 is 90526525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 9 = 7250^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 52562509 - 2¹³ = 52554317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52562539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26281254 + 26281255.

It is an arithmetic number, because the mean of its divisors is an integer number (26281255).

Almost surely, 2^52562509 is an apocalyptic number.

It is an amenable number.

52562509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52562509 is an equidigital number, since it uses as much as digits as its factorization.

52562509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 52562509 is about 7250.0006206896. Note that the first 3 decimals coincide. The cubic root of 52562509 is about 374.5921705538.

The spelling of 52562509 in words is "fifty-two million, five hundred sixty-two thousand, five hundred nine".