1970291 has 2 divisors, whose sum is σ = 1970292. Its totient is φ = 1970290.

The previous prime is 1970279. The next prime is 1970327. The reversal of 1970291 is 1920791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1970201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985145 + 985146.

It is an arithmetic number, because the mean of its divisors is an integer number (985146).

2^1970291 is an apocalyptic number.

1970291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970291 is an equidigital number, since it uses as much as digits as its factorization.

1970291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1970291 is about 1403.6705453916. The cubic root of 1970291 is about 125.3651403417.

The spelling of 1970291 in words is "one million, nine hundred seventy thousand, two hundred ninety-one".