25497103 has 2 divisors, whose sum is σ = 25497104. Its totient is φ = 25497102.

The previous prime is 25497091. The next prime is 25497113. The reversal of 25497103 is 30179452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25497103 - 2⁵ = 25497071 is a prime.

It is a super-2 number, since 2×25497103² = 1300204522785218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25497113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12748551 + 12748552.

It is an arithmetic number, because the mean of its divisors is an integer number (12748552).

Almost surely, 2^25497103 is an apocalyptic number.

25497103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25497103 is an equidigital number, since it uses as much as digits as its factorization.

25497103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 25497103 is about 5049.4656152904. The cubic root of 25497103 is about 294.3271190435.

It can be divided in two parts, 25497 and 103, that added together give a square (25600 = 160²).

The spelling of 25497103 in words is "twenty-five million, four hundred ninety-seven thousand, one hundred three".