25032003 has 4 divisors (see below), whose sum is σ = 33376008. Its totient is φ = 16688000.

The previous prime is 25031983. The next prime is 25032031. The reversal of 25032003 is 30023052.

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 25032003 - 2¹² = 25027907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25032043) 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, 4171998 + ... + 4172003.

It is an arithmetic number, because the mean of its divisors is an integer number (8344002).

Almost surely, 2^25032003 is an apocalyptic number.

25032003 is a deficient number, since it is larger than the sum of its proper divisors (8344005).

25032003 is an equidigital number, since it uses as much as digits as its factorization.

25032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344004.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 25032003 is about 5003.1992764630. The cubic root of 25032003 is about 292.5264904053.

Adding to 25032003 its reverse (30023052), we get a palindrome (55055055).

It can be divided in two parts, 2503200 and 3, that added together give a triangular number (2503203 = T₂₂₃₇).

The spelling of 25032003 in words is "twenty-five million, thirty-two thousand, three".