52032809 has 2 divisors, whose sum is σ = 52032810. Its totient is φ = 52032808.

The previous prime is 52032781. The next prime is 52032821. The reversal of 52032809 is 90823025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 13344409 = 6220^2 + 3653^2 .

It is a cyclic number.

It is not a de Polignac number, because 52032809 - 2¹⁶ = 51967273 is a prime.

It is not a weakly prime, because it can be changed into another prime (52032109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26016404 + 26016405.

It is an arithmetic number, because the mean of its divisors is an integer number (26016405).

Almost surely, 2^52032809 is an apocalyptic number.

It is an amenable number.

52032809 is a deficient number, since it is larger than the sum of its proper divisors (1).

52032809 is an equidigital number, since it uses as much as digits as its factorization.

52032809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52032809 is about 7213.3770870515. The cubic root of 52032809 is about 373.3295991513.

The spelling of 52032809 in words is "fifty-two million, thirty-two thousand, eight hundred nine".