340921051 has 2 divisors, whose sum is σ = 340921052. Its totient is φ = 340921050.

The previous prime is 340921003. The next prime is 340921079. The reversal of 340921051 is 150129043.

It is a strong prime.

It is an emirp because it is prime and its reverse (150129043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340921051 - 2¹⁵ = 340888283 is a prime.

It is not a weakly prime, because it can be changed into another prime (340921951) 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, 170460525 + 170460526.

It is an arithmetic number, because the mean of its divisors is an integer number (170460526).

Almost surely, 2^340921051 is an apocalyptic number.

340921051 is a deficient number, since it is larger than the sum of its proper divisors (1).

340921051 is an equidigital number, since it uses as much as digits as its factorization.

340921051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 340921051 is about 18464.0475248522. The cubic root of 340921051 is about 698.5828820251.

The spelling of 340921051 in words is "three hundred forty million, nine hundred twenty-one thousand, fifty-one".