532432391 has 2 divisors, whose sum is σ = 532432392. Its totient is φ = 532432390.

The previous prime is 532432349. The next prime is 532432399. The reversal of 532432391 is 193234235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532432391 is a prime.

It is a super-3 number, since 3×532432391³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532432399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266216195 + 266216196.

It is an arithmetic number, because the mean of its divisors is an integer number (266216196).

Almost surely, 2^532432391 is an apocalyptic number.

532432391 is a deficient number, since it is larger than the sum of its proper divisors (1).

532432391 is an equidigital number, since it uses as much as digits as its factorization.

532432391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 532432391 is about 23074.4965492207. The cubic root of 532432391 is about 810.5033659329.

The spelling of 532432391 in words is "five hundred thirty-two million, four hundred thirty-two thousand, three hundred ninety-one".