25493803 has 2 divisors, whose sum is σ = 25493804. Its totient is φ = 25493802.

The previous prime is 25493753. The next prime is 25493807. The reversal of 25493803 is 30839452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25493803 - 2¹³ = 25485611 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (25493807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746901 + 12746902.

It is an arithmetic number, because the mean of its divisors is an integer number (12746902).

Almost surely, 2^25493803 is an apocalyptic number.

25493803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25493803 is an equidigital number, since it uses as much as digits as its factorization.

25493803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 25493803 is about 5049.1388374653. The cubic root of 25493803 is about 294.3144205891.

The spelling of 25493803 in words is "twenty-five million, four hundred ninety-three thousand, eight hundred three".