25263701 has 2 divisors, whose sum is σ = 25263702. Its totient is φ = 25263700.

The previous prime is 25263697. The next prime is 25263713. The reversal of 25263701 is 10736252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25260676 + 3025 = 5026^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 25263701 - 2² = 25263697 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25263731) 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, 12631850 + 12631851.

It is an arithmetic number, because the mean of its divisors is an integer number (12631851).

Almost surely, 2^25263701 is an apocalyptic number.

It is an amenable number.

25263701 is a deficient number, since it is larger than the sum of its proper divisors (1).

25263701 is an equidigital number, since it uses as much as digits as its factorization.

25263701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 25263701 is about 5026.3009261285. The cubic root of 25263701 is about 293.4262686186.

Adding to 25263701 its reverse (10736252), we get a palindrome (35999953).

The spelling of 25263701 in words is "twenty-five million, two hundred sixty-three thousand, seven hundred one".