532640239 has 2 divisors, whose sum is σ = 532640240. Its totient is φ = 532640238.

The previous prime is 532640221. The next prime is 532640257. The reversal of 532640239 is 932046235.

It is a balanced prime because it is at equal distance from previous prime (532640221) and next prime (532640257).

It is a cyclic number.

It is not a de Polignac number, because 532640239 - 2⁷ = 532640111 is a prime.

It is a super-3 number, since 3×532640239³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532640219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266320119 + 266320120.

It is an arithmetic number, because the mean of its divisors is an integer number (266320120).

Almost surely, 2^532640239 is an apocalyptic number.

532640239 is a deficient number, since it is larger than the sum of its proper divisors (1).

532640239 is an equidigital number, since it uses as much as digits as its factorization.

532640239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 532640239 is about 23078.9999566706. Note that the first 4 decimals coincide. The cubic root of 532640239 is about 810.6088188130.

The spelling of 532640239 in words is "five hundred thirty-two million, six hundred forty thousand, two hundred thirty-nine".