25730573 has 16 divisors (see below), whose sum is σ = 28940544. Its totient is φ = 22676160.

The previous prime is 25730563. The next prime is 25730587. The reversal of 25730573 is 37503752.

It is a cyclic number.

It is not a de Polignac number, because 25730573 - 2¹⁰ = 25729549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25730563) 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 in 15 ways as a sum of consecutive naturals, for example, 81011 + ... + 81327.

It is an arithmetic number, because the mean of its divisors is an integer number (1808784).

Almost surely, 2^25730573 is an apocalyptic number.

It is an amenable number.

25730573 is a deficient number, since it is larger than the sum of its proper divisors (3209971).

25730573 is a wasteful number, since it uses less digits than its factorization.

25730573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 25730573 is about 5072.5312221809. The cubic root of 25730573 is about 295.2227485511. Note that the first 3 decimals are identical.

The spelling of 25730573 in words is "twenty-five million, seven hundred thirty thousand, five hundred seventy-three".