25090603 has 2 divisors, whose sum is σ = 25090604. Its totient is φ = 25090602.

The previous prime is 25090577. The next prime is 25090627. The reversal of 25090603 is 30609052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25090603 is a prime.

It is not a weakly prime, because it can be changed into another prime (25090693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12545301 + 12545302.

It is an arithmetic number, because the mean of its divisors is an integer number (12545302).

Almost surely, 2^25090603 is an apocalyptic number.

25090603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25090603 is an equidigital number, since it uses as much as digits as its factorization.

25090603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 25090603 is about 5009.0521059378. The cubic root of 25090603 is about 292.7545809976.

Adding to 25090603 its reverse (30609052), we get a palindrome (55699655).

The spelling of 25090603 in words is "twenty-five million, ninety thousand, six hundred three".