354979049 has 2 divisors, whose sum is σ = 354979050. Its totient is φ = 354979048.

The previous prime is 354979043. The next prime is 354979067. The reversal of 354979049 is 940979453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 60341824 = 17165^2 + 7768^2 .

It is an emirp because it is prime and its reverse (940979453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354979049 - 2¹² = 354974953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354978988 and 354979006.

It is not a weakly prime, because it can be changed into another prime (354979043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177489524 + 177489525.

It is an arithmetic number, because the mean of its divisors is an integer number (177489525).

Almost surely, 2^354979049 is an apocalyptic number.

It is an amenable number.

354979049 is a deficient number, since it is larger than the sum of its proper divisors (1).

354979049 is an equidigital number, since it uses as much as digits as its factorization.

354979049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 354979049 is about 18840.8876914014. The cubic root of 354979049 is about 708.0559454711.

The spelling of 354979049 in words is "three hundred fifty-four million, nine hundred seventy-nine thousand, forty-nine".