980306543 has 2 divisors, whose sum is σ = 980306544. Its totient is φ = 980306542.

The previous prime is 980306507. The next prime is 980306549. The reversal of 980306543 is 345603089.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 980306543 - 2¹⁰ = 980305519 is a prime.

It is a super-2 number, since 2×980306543² = 1922001836497221698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 980306497 and 980306506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980306549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490153271 + 490153272.

It is an arithmetic number, because the mean of its divisors is an integer number (490153272).

Almost surely, 2^980306543 is an apocalyptic number.

980306543 is a deficient number, since it is larger than the sum of its proper divisors (1).

980306543 is an equidigital number, since it uses as much as digits as its factorization.

980306543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 980306543 is about 31309.8473806565. The cubic root of 980306543 is about 993.3919441141.

The spelling of 980306543 in words is "nine hundred eighty million, three hundred six thousand, five hundred forty-three".