1970977 has 2 divisors, whose sum is σ = 1970978. Its totient is φ = 1970976.

The previous prime is 1970959. The next prime is 1970987. The reversal of 1970977 is 7790791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 239121 = 1316^2 + 489^2 .

It is an emirp because it is prime and its reverse (7790791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1970977 - 2¹⁹ = 1446689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1970957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985488 + 985489.

It is an arithmetic number, because the mean of its divisors is an integer number (985489).

2^1970977 is an apocalyptic number.

It is an amenable number.

1970977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970977 is an equidigital number, since it uses as much as digits as its factorization.

1970977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 1970977 is about 1403.9148834598. The cubic root of 1970977 is about 125.3796881939.

The spelling of 1970977 in words is "one million, nine hundred seventy thousand, nine hundred seventy-seven".