2545573 has 2 divisors, whose sum is σ = 2545574. Its totient is φ = 2545572.

The previous prime is 2545561. The next prime is 2545603. The reversal of 2545573 is 3755452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 42849 = 1582^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545573 - 2²¹ = 448421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272786 + 1272787.

It is an arithmetic number, because the mean of its divisors is an integer number (1272787).

2^2545573 is an apocalyptic number.

It is an amenable number.

2545573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545573 is an equidigital number, since it uses as much as digits as its factorization.

2545573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 31.

The square root of 2545573 is about 1595.4851926608. The cubic root of 2545573 is about 136.5406141584.

The spelling of 2545573 in words is "two million, five hundred forty-five thousand, five hundred seventy-three".