25730303 has 4 divisors (see below), whose sum is σ = 25760520. Its totient is φ = 25700088.

The previous prime is 25730293. The next prime is 25730321. The reversal of 25730303 is 30303752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25730303 - 2¹⁶ = 25664767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25730203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793 + ... + 15546.

It is an arithmetic number, because the mean of its divisors is an integer number (6440130).

Almost surely, 2^25730303 is an apocalyptic number.

25730303 is a deficient number, since it is larger than the sum of its proper divisors (30217).

25730303 is an equidigital number, since it uses as much as digits as its factorization.

25730303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30216.

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 25730303 is about 5072.5046081793. The cubic root of 25730303 is about 295.2217159219.

The spelling of 25730303 in words is "twenty-five million, seven hundred thirty thousand, three hundred three".