25230143 has 2 divisors, whose sum is σ = 25230144. Its totient is φ = 25230142.

The previous prime is 25230131. The next prime is 25230169. The reversal of 25230143 is 34103252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25230143 - 2¹⁴ = 25213759 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25230113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615071 + 12615072.

It is an arithmetic number, because the mean of its divisors is an integer number (12615072).

Almost surely, 2^25230143 is an apocalyptic number.

25230143 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230143 is an equidigital number, since it uses as much as digits as its factorization.

25230143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25230143 is about 5022.9615766000. The cubic root of 25230143 is about 293.2962908057.

Adding to 25230143 its reverse (34103252), we get a palindrome (59333395).

It can be divided in two parts, 25 and 230143, that multiplied together give a palindrome (5753575).

The spelling of 25230143 in words is "twenty-five million, two hundred thirty thousand, one hundred forty-three".