25030943 has 4 divisors (see below), whose sum is σ = 28606800. Its totient is φ = 21455088.

The previous prime is 25030939. The next prime is 25030949. The reversal of 25030943 is 34903052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25030943 - 2² = 25030939 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25030949) 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 in 3 ways as a sum of consecutive naturals, for example, 1787918 + ... + 1787931.

It is an arithmetic number, because the mean of its divisors is an integer number (7151700).

Almost surely, 2^25030943 is an apocalyptic number.

25030943 is a deficient number, since it is larger than the sum of its proper divisors (3575857).

25030943 is an equidigital number, since it uses as much as digits as its factorization.

25030943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575856.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 25030943 is about 5003.0933431228. The cubic root of 25030943 is about 292.5223612583.

Adding to 25030943 its reverse (34903052), we get a palindrome (59933995).

The spelling of 25030943 in words is "twenty-five million, thirty thousand, nine hundred forty-three".