25190003 has 2 divisors, whose sum is σ = 25190004. Its totient is φ = 25190002.

The previous prime is 25189987. The next prime is 25190023. The reversal of 25190003 is 30009152.

It is an a-pointer prime, because the next prime (25190023) can be obtained adding 25190003 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25190003 - 2⁴ = 25189987 is a prime.

It is a super-2 number, since 2×25190003² = 1269072502280018, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25190023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12595001 + 12595002.

It is an arithmetic number, because the mean of its divisors is an integer number (12595002).

Almost surely, 2^25190003 is an apocalyptic number.

25190003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25190003 is an equidigital number, since it uses as much as digits as its factorization.

25190003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 25190003 is about 5018.9643353983. The cubic root of 25190003 is about 293.1406679326.

Adding to 25190003 its reverse (30009152), we get a palindrome (55199155).

The spelling of 25190003 in words is "twenty-five million, one hundred ninety thousand, three".