1265573 has 2 divisors, whose sum is σ = 1265574. Its totient is φ = 1265572.

The previous prime is 1265557. The next prime is 1265581. The reversal of 1265573 is 3755621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 114244 = 1073^2 + 338^2 .

It is an emirp because it is prime and its reverse (3755621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1265573 - 2⁴ = 1265557 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹² + 6⁶ + 5⁴ + 5⁸ + 7⁷ + 3³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632786 + 632787.

It is an arithmetic number, because the mean of its divisors is an integer number (632787).

2^1265573 is an apocalyptic number.

It is an amenable number.

1265573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265573 is an equidigital number, since it uses as much as digits as its factorization.

1265573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 1265573 is about 1124.9768886515. The cubic root of 1265573 is about 108.1672363310.

The spelling of 1265573 in words is "one million, two hundred sixty-five thousand, five hundred seventy-three".