25049503 has 2 divisors, whose sum is σ = 25049504. Its totient is φ = 25049502.

The previous prime is 25049489. The next prime is 25049537. The reversal of 25049503 is 30594052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25049503 - 2⁵ = 25049471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25049573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12524751 + 12524752.

It is an arithmetic number, because the mean of its divisors is an integer number (12524752).

Almost surely, 2^25049503 is an apocalyptic number.

25049503 is a deficient number, since it is larger than the sum of its proper divisors (1).

25049503 is an equidigital number, since it uses as much as digits as its factorization.

25049503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25049503 is about 5004.9478518762. The cubic root of 25049503 is about 292.5946434424.

It can be divided in two parts, 25049 and 503, that added together give a palindrome (25552).

The spelling of 25049503 in words is "twenty-five million, forty-nine thousand, five hundred three".