25303697 has 2 divisors, whose sum is σ = 25303698. Its totient is φ = 25303696.

The previous prime is 25303693. The next prime is 25303721. The reversal of 25303697 is 79630352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 4363921 = 4576^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 25303697 - 2² = 25303693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25303693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651848 + 12651849.

It is an arithmetic number, because the mean of its divisors is an integer number (12651849).

Almost surely, 2^25303697 is an apocalyptic number.

It is an amenable number.

25303697 is a deficient number, since it is larger than the sum of its proper divisors (1).

25303697 is an equidigital number, since it uses as much as digits as its factorization.

25303697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 25303697 is about 5030.2780241255. The cubic root of 25303697 is about 293.5810320253.

The spelling of 25303697 in words is "twenty-five million, three hundred three thousand, six hundred ninety-seven".