1970513 has 2 divisors, whose sum is σ = 1970514. Its totient is φ = 1970512.

The previous prime is 1970491. The next prime is 1970519. The reversal of 1970513 is 3150791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 786769 = 1088^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970513 - 2⁸ = 1970257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1970519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985256 + 985257.

It is an arithmetic number, because the mean of its divisors is an integer number (985257).

2^1970513 is an apocalyptic number.

It is an amenable number.

1970513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970513 is an equidigital number, since it uses as much as digits as its factorization.

1970513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1970513 is about 1403.7496215494. The cubic root of 1970513 is about 125.3698486167.

The spelling of 1970513 in words is "one million, nine hundred seventy thousand, five hundred thirteen".