25428043 has 2 divisors, whose sum is σ = 25428044. Its totient is φ = 25428042.

The previous prime is 25428037. The next prime is 25428049. The reversal of 25428043 is 34082452.

It is a balanced prime because it is at equal distance from previous prime (25428037) and next prime (25428049).

It is a cyclic number.

It is not a de Polignac number, because 25428043 - 2⁹ = 25427531 is a prime.

It is not a weakly prime, because it can be changed into another prime (25428049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12714021 + 12714022.

It is an arithmetic number, because the mean of its divisors is an integer number (12714022).

Almost surely, 2^25428043 is an apocalyptic number.

25428043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25428043 is an equidigital number, since it uses as much as digits as its factorization.

25428043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 25428043 is about 5042.6226311315. The cubic root of 25428043 is about 294.0611462126.

It can be divided in two parts, 2542 and 8043, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 25428043 in words is "twenty-five million, four hundred twenty-eight thousand, forty-three".