355980043 has 2 divisors, whose sum is σ = 355980044. Its totient is φ = 355980042.

The previous prime is 355980019. The next prime is 355980049. The reversal of 355980043 is 340089553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355980043 - 2⁵ = 355980011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355979984 and 355980011.

It is not a weakly prime, because it can be changed into another prime (355980049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177990021 + 177990022.

It is an arithmetic number, because the mean of its divisors is an integer number (177990022).

Almost surely, 2^355980043 is an apocalyptic number.

355980043 is a deficient number, since it is larger than the sum of its proper divisors (1).

355980043 is an equidigital number, since it uses as much as digits as its factorization.

355980043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 355980043 is about 18867.4333972589. The cubic root of 355980043 is about 708.7208622635.

The spelling of 355980043 in words is "three hundred fifty-five million, nine hundred eighty thousand, forty-three".