354081979 has 2 divisors, whose sum is σ = 354081980. Its totient is φ = 354081978.

The previous prime is 354081977. The next prime is 354081989. The reversal of 354081979 is 979180453.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (979180453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354081979 - 2¹ = 354081977 is a prime.

Together with 354081977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (354081977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177040989 + 177040990.

It is an arithmetic number, because the mean of its divisors is an integer number (177040990).

Almost surely, 2^354081979 is an apocalyptic number.

354081979 is a deficient number, since it is larger than the sum of its proper divisors (1).

354081979 is an equidigital number, since it uses as much as digits as its factorization.

354081979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 354081979 is about 18817.0661634592. The cubic root of 354081979 is about 707.4589979859.

The spelling of 354081979 in words is "three hundred fifty-four million, eighty-one thousand, nine hundred seventy-nine".