406462543 has 2 divisors, whose sum is σ = 406462544. Its totient is φ = 406462542.

The previous prime is 406462541. The next prime is 406462547. The reversal of 406462543 is 345264604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406462543 - 2¹ = 406462541 is a prime.

Together with 406462541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 406462499 and 406462508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406462541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203231271 + 203231272.

It is an arithmetic number, because the mean of its divisors is an integer number (203231272).

Almost surely, 2^406462543 is an apocalyptic number.

406462543 is a deficient number, since it is larger than the sum of its proper divisors (1).

406462543 is an equidigital number, since it uses as much as digits as its factorization.

406462543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 406462543 is about 20160.9162242196. The cubic root of 406462543 is about 740.7531551583.

The spelling of 406462543 in words is "four hundred six million, four hundred sixty-two thousand, five hundred forty-three".