202432543 has 2 divisors, whose sum is σ = 202432544. Its totient is φ = 202432542.

The previous prime is 202432507. The next prime is 202432553. The reversal of 202432543 is 345234202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202432543 - 2¹³ = 202424351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202432553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101216271 + 101216272.

It is an arithmetic number, because the mean of its divisors is an integer number (101216272).

Almost surely, 2^202432543 is an apocalyptic number.

202432543 is a deficient number, since it is larger than the sum of its proper divisors (1).

202432543 is an equidigital number, since it uses as much as digits as its factorization.

202432543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 202432543 is about 14227.8790759551. The cubic root of 202432543 is about 587.1649327047.

Adding to 202432543 its reverse (345234202), we get a palindrome (547666745).

The spelling of 202432543 in words is "two hundred two million, four hundred thirty-two thousand, five hundred forty-three".