25070543 has 2 divisors, whose sum is σ = 25070544. Its totient is φ = 25070542.

The previous prime is 25070533. The next prime is 25070593. The reversal of 25070543 is 34507052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25070543 - 2⁴ = 25070527 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 (25070503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12535271 + 12535272.

It is an arithmetic number, because the mean of its divisors is an integer number (12535272).

Almost surely, 2^25070543 is an apocalyptic number.

25070543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25070543 is an equidigital number, since it uses as much as digits as its factorization.

25070543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25070543 is about 5007.0493306937. The cubic root of 25070543 is about 292.6765408556.

Adding to 25070543 its reverse (34507052), we get a palindrome (59577595).

The spelling of 25070543 in words is "twenty-five million, seventy thousand, five hundred forty-three".