1970531 has 2 divisors, whose sum is σ = 1970532. Its totient is φ = 1970530.

The previous prime is 1970519. The next prime is 1970543. The reversal of 1970531 is 1350791.

It is a balanced prime because it is at equal distance from previous prime (1970519) and next prime (1970543).

It is a cyclic number.

It is not a de Polignac number, because 1970531 - 2⁶ = 1970467 is a prime.

It is a super-2 number, since 2×1970531² = 7765984843922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1970531.

It is not a weakly prime, because it can be changed into another prime (1970581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985265 + 985266.

It is an arithmetic number, because the mean of its divisors is an integer number (985266).

2^1970531 is an apocalyptic number.

1970531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970531 is an equidigital number, since it uses as much as digits as its factorization.

1970531 is an evil number, because the sum of its binary digits is even.

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

The square root of 1970531 is about 1403.7560329345. The cubic root of 1970531 is about 125.3702303533.

The spelling of 1970531 in words is "one million, nine hundred seventy thousand, five hundred thirty-one".