25703017 has 2 divisors, whose sum is σ = 25703018. Its totient is φ = 25703016.

The previous prime is 25703003. The next prime is 25703053. The reversal of 25703017 is 71030752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 512656 = 5019^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 25703017 - 2⁷ = 25702889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25702982 and 25703000.

It is not a weakly prime, because it can be changed into another prime (25703087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12851508 + 12851509.

It is an arithmetic number, because the mean of its divisors is an integer number (12851509).

Almost surely, 2^25703017 is an apocalyptic number.

It is an amenable number.

25703017 is a deficient number, since it is larger than the sum of its proper divisors (1).

25703017 is an equidigital number, since it uses as much as digits as its factorization.

25703017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 25703017 is about 5069.8142964018. The cubic root of 25703017 is about 295.1173219070.

Adding to 25703017 its reverse (71030752), we get a palindrome (96733769).

The spelling of 25703017 in words is "twenty-five million, seven hundred three thousand, seventeen".