52587709 has 2 divisors, whose sum is σ = 52587710. Its totient is φ = 52587708.

The previous prime is 52587659. The next prime is 52587719. The reversal of 52587709 is 90778525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51912025 + 675684 = 7205^2 + 822^2 .

It is a cyclic number.

It is not a de Polignac number, because 52587709 - 2¹⁵ = 52554941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52587719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26293854 + 26293855.

It is an arithmetic number, because the mean of its divisors is an integer number (26293855).

Almost surely, 2^52587709 is an apocalyptic number.

It is an amenable number.

52587709 is a deficient number, since it is larger than the sum of its proper divisors (1).

52587709 is an equidigital number, since it uses as much as digits as its factorization.

52587709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 52587709 is about 7251.7383433216. The cubic root of 52587709 is about 374.6520244605.

The spelling of 52587709 in words is "fifty-two million, five hundred eighty-seven thousand, seven hundred nine".