2573653 has 2 divisors, whose sum is σ = 2573654. Its totient is φ = 2573652.

The previous prime is 2573633. The next prime is 2573657. The reversal of 2573653 is 3563752.

2573653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1830609 + 743044 = 1353^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573653 - 2⁵ = 2573621 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁷ + 7⁵ + 3 + 6⁴ + 5⁹ + 3² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286826 + 1286827.

It is an arithmetic number, because the mean of its divisors is an integer number (1286827).

2^2573653 is an apocalyptic number.

It is an amenable number.

2573653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573653 is an equidigital number, since it uses as much as digits as its factorization.

2573653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 31.

The square root of 2573653 is about 1604.2608890078. The cubic root of 2573653 is about 137.0408353238.

Subtracting 2573653 from its reverse (3563752), we obtain a palindrome (990099).

The spelling of 2573653 in words is "two million, five hundred seventy-three thousand, six hundred fifty-three".