25250003 has 2 divisors, whose sum is σ = 25250004. Its totient is φ = 25250002.

The previous prime is 25249999. The next prime is 25250033. The reversal of 25250003 is 30005252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25250003 - 2² = 25249999 is a prime.

It is not a weakly prime, because it can be changed into another prime (25250033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625001 + 12625002.

It is an arithmetic number, because the mean of its divisors is an integer number (12625002).

Almost surely, 2^25250003 is an apocalyptic number.

25250003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25250003 is an equidigital number, since it uses as much as digits as its factorization.

25250003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 25250003 is about 5024.9381090716. The cubic root of 25250003 is about 293.3732270409.

Adding to 25250003 its reverse (30005252), we get a palindrome (55255255).

The spelling of 25250003 in words is "twenty-five million, two hundred fifty thousand, three".