25012043 has 4 divisors (see below), whose sum is σ = 28585200. Its totient is φ = 21438888.

The previous prime is 25012027. The next prime is 25012061. The reversal of 25012043 is 34021052.

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 25012043 - 2⁴ = 25012027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25012003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786568 + ... + 1786581.

It is an arithmetic number, because the mean of its divisors is an integer number (7146300).

Almost surely, 2^25012043 is an apocalyptic number.

25012043 is a deficient number, since it is larger than the sum of its proper divisors (3573157).

25012043 is an equidigital number, since it uses as much as digits as its factorization.

25012043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573156.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25012043 is about 5001.2041550011. The cubic root of 25012043 is about 292.4487182116.

Adding to 25012043 its reverse (34021052), we get a palindrome (59033095).

Subtracting 25012043 from its reverse (34021052), we obtain a palindrome (9009009).

The spelling of 25012043 in words is "twenty-five million, twelve thousand, forty-three".