1952779 has 2 divisors, whose sum is σ = 1952780. Its totient is φ = 1952778.

The previous prime is 1952767. The next prime is 1952813. The reversal of 1952779 is 9772591.

It is a weak prime.

It is an emirp because it is prime and its reverse (9772591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1952779 - 2⁵ = 1952747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1952729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976389 + 976390.

It is an arithmetic number, because the mean of its divisors is an integer number (976390).

2^1952779 is an apocalyptic number.

1952779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952779 is an equidigital number, since it uses as much as digits as its factorization.

1952779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 1952779 is about 1397.4186917313. The cubic root of 1952779 is about 124.9926182308.

The spelling of 1952779 in words is "one million, nine hundred fifty-two thousand, seven hundred seventy-nine".