25956503 has 2 divisors, whose sum is σ = 25956504. Its totient is φ = 25956502.

The previous prime is 25956493. The next prime is 25956529. The reversal of 25956503 is 30565952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25956503 - 2²² = 21762199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25956533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12978251 + 12978252.

It is an arithmetic number, because the mean of its divisors is an integer number (12978252).

Almost surely, 2^25956503 is an apocalyptic number.

25956503 is a deficient number, since it is larger than the sum of its proper divisors (1).

25956503 is an equidigital number, since it uses as much as digits as its factorization.

25956503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 25956503 is about 5094.7524964418. The cubic root of 25956503 is about 296.0843098953.

The spelling of 25956503 in words is "twenty-five million, nine hundred fifty-six thousand, five hundred three".