25942603 has 2 divisors, whose sum is σ = 25942604. Its totient is φ = 25942602.

The previous prime is 25942577. The next prime is 25942613. The reversal of 25942603 is 30624952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25942603 is a prime.

It is not a weakly prime, because it can be changed into another prime (25942613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12971301 + 12971302.

It is an arithmetic number, because the mean of its divisors is an integer number (12971302).

Almost surely, 2^25942603 is an apocalyptic number.

25942603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25942603 is an equidigital number, since it uses as much as digits as its factorization.

25942603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 25942603 is about 5093.3881650626. The cubic root of 25942603 is about 296.0314482961.

The spelling of 25942603 in words is "twenty-five million, nine hundred forty-two thousand, six hundred three".