832752409 has 2 divisors, whose sum is σ = 832752410. Its totient is φ = 832752408.

The previous prime is 832752383. The next prime is 832752433. The reversal of 832752409 is 904257238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696960000 + 135792409 = 26400^2 + 11653^2 .

It is a cyclic number.

It is not a de Polignac number, because 832752409 - 2¹¹ = 832750361 is a prime.

It is not a weakly prime, because it can be changed into another prime (832752449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416376204 + 416376205.

It is an arithmetic number, because the mean of its divisors is an integer number (416376205).

Almost surely, 2^832752409 is an apocalyptic number.

It is an amenable number.

832752409 is a deficient number, since it is larger than the sum of its proper divisors (1).

832752409 is an equidigital number, since it uses as much as digits as its factorization.

832752409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 832752409 is about 28857.4498007014. The cubic root of 832752409 is about 940.8173097584.

The spelling of 832752409 in words is "eight hundred thirty-two million, seven hundred fifty-two thousand, four hundred nine".