1972567 has 2 divisors, whose sum is σ = 1972568. Its totient is φ = 1972566.

The previous prime is 1972541. The next prime is 1972571. The reversal of 1972567 is 7652791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1972567 - 2¹¹ = 1970519 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 9 + 7⁴ + 2³ + 5⁹ + 6³ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1972967) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986283 + 986284.

It is an arithmetic number, because the mean of its divisors is an integer number (986284).

2^1972567 is an apocalyptic number.

1972567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972567 is an equidigital number, since it uses as much as digits as its factorization.

1972567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 37.

The square root of 1972567 is about 1404.4810429479. The cubic root of 1972567 is about 125.4133940027.

The spelling of 1972567 in words is "one million, nine hundred seventy-two thousand, five hundred sixty-seven".