25245443 has 8 divisors (see below), whose sum is σ = 25649088. Its totient is φ = 24845184.

The previous prime is 25245431. The next prime is 25245491. The reversal of 25245443 is 34454252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25245443 - 2⁴ = 25245427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25245943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17030 + ... + 18452.

It is an arithmetic number, because the mean of its divisors is an integer number (3206136).

Almost surely, 2^25245443 is an apocalyptic number.

25245443 is a deficient number, since it is larger than the sum of its proper divisors (403645).

25245443 is a wasteful number, since it uses less digits than its factorization.

25245443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693.

The product of its digits is 19200, while the sum is 29.

The square root of 25245443 is about 5024.4843516524. The cubic root of 25245443 is about 293.3555654924.

Adding to 25245443 its reverse (34454252), we get a palindrome (59699695).

The spelling of 25245443 in words is "twenty-five million, two hundred forty-five thousand, four hundred forty-three".