52092409 has 2 divisors, whose sum is σ = 52092410. Its totient is φ = 52092408.

The previous prime is 52092389. The next prime is 52092419. The reversal of 52092409 is 90429025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42771600 + 9320809 = 6540^2 + 3053^2 .

It is a cyclic number.

It is not a de Polignac number, because 52092409 - 2²³ = 43703801 is a prime.

It is not a weakly prime, because it can be changed into another prime (52092419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26046204 + 26046205.

It is an arithmetic number, because the mean of its divisors is an integer number (26046205).

Almost surely, 2^52092409 is an apocalyptic number.

It is an amenable number.

52092409 is a deficient number, since it is larger than the sum of its proper divisors (1).

52092409 is an equidigital number, since it uses as much as digits as its factorization.

52092409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 52092409 is about 7217.5071181122. The cubic root of 52092409 is about 373.4720858790.

It can be divided in two parts, 520 and 92409, that added together give a palindrome (92929).

The spelling of 52092409 in words is "fifty-two million, ninety-two thousand, four hundred nine".