25020003 has 8 divisors (see below), whose sum is σ = 33386688. Its totient is φ = 16666664.

The previous prime is 25020001. The next prime is 25020019. The reversal of 25020003 is 30002052.

It is a Cunningham number, because it is equal to 5002²-1.

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 25020003 - 2¹ = 25020001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25020001) 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, 2500 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (4173336).

Almost surely, 2^25020003 is an apocalyptic number.

25020003 is a deficient number, since it is larger than the sum of its proper divisors (8366685).

25020003 is a wasteful number, since it uses less digits than its factorization.

25020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 25020003 is about 5001.9999000400. Note that the first 4 decimals coincide. The cubic root of 25020003 is about 292.4797385337.

Adding to 25020003 its reverse (30002052), we get a palindrome (55022055).

The spelling of 25020003 in words is "twenty-five million, twenty thousand, three".