52109429 has 2 divisors, whose sum is σ = 52109430. Its totient is φ = 52109428.

The previous prime is 52109423. The next prime is 52109459. The reversal of 52109429 is 92490125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27804529 + 24304900 = 5273^2 + 4930^2 .

It is a cyclic number.

It is not a de Polignac number, because 52109429 - 2⁴ = 52109413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52109395 and 52109404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52109423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26054714 + 26054715.

It is an arithmetic number, because the mean of its divisors is an integer number (26054715).

Almost surely, 2^52109429 is an apocalyptic number.

It is an amenable number.

52109429 is a deficient number, since it is larger than the sum of its proper divisors (1).

52109429 is an equidigital number, since it uses as much as digits as its factorization.

52109429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 52109429 is about 7218.6860992843. The cubic root of 52109429 is about 373.5127559297.

The spelling of 52109429 in words is "fifty-two million, one hundred nine thousand, four hundred twenty-nine".