402080543 has 2 divisors, whose sum is σ = 402080544. Its totient is φ = 402080542.

The previous prime is 402080537. The next prime is 402080557. The reversal of 402080543 is 345080204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402080543 - 2⁶ = 402080479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402080513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201040271 + 201040272.

It is an arithmetic number, because the mean of its divisors is an integer number (201040272).

Almost surely, 2^402080543 is an apocalyptic number.

402080543 is a deficient number, since it is larger than the sum of its proper divisors (1).

402080543 is an equidigital number, since it uses as much as digits as its factorization.

402080543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 402080543 is about 20051.9461150283. The cubic root of 402080543 is about 738.0815555809.

The spelling of 402080543 in words is "four hundred two million, eighty thousand, five hundred forty-three".