25302973 has 2 divisors, whose sum is σ = 25302974. Its totient is φ = 25302972.

The previous prime is 25302961. The next prime is 25302997. The reversal of 25302973 is 37920352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15705369 + 9597604 = 3963^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 25302973 - 2¹⁷ = 25171901 is a prime.

It is equal to p_1583626 and since 25302973 and 1583626 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25302923) 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, 12651486 + 12651487.

It is an arithmetic number, because the mean of its divisors is an integer number (12651487).

Almost surely, 2^25302973 is an apocalyptic number.

It is an amenable number.

25302973 is a deficient number, since it is larger than the sum of its proper divisors (1).

25302973 is an equidigital number, since it uses as much as digits as its factorization.

25302973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 25302973 is about 5030.2060593976. The cubic root of 25302973 is about 293.5782319773.

The spelling of 25302973 in words is "twenty-five million, three hundred two thousand, nine hundred seventy-three".