25485497 has 2 divisors, whose sum is σ = 25485498. Its totient is φ = 25485496.

The previous prime is 25485491. The next prime is 25485529. The reversal of 25485497 is 79458452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13402921 + 12082576 = 3661^2 + 3476^2 .

It is a cyclic number.

It is not a de Polignac number, because 25485497 - 2²⁰ = 24436921 is a prime.

It is not a weakly prime, because it can be changed into another prime (25485491) 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, 12742748 + 12742749.

It is an arithmetic number, because the mean of its divisors is an integer number (12742749).

Almost surely, 2^25485497 is an apocalyptic number.

It is an amenable number.

25485497 is a deficient number, since it is larger than the sum of its proper divisors (1).

25485497 is an equidigital number, since it uses as much as digits as its factorization.

25485497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 25485497 is about 5048.3162539603. The cubic root of 25485497 is about 294.2824541133.

The spelling of 25485497 in words is "twenty-five million, four hundred eighty-five thousand, four hundred ninety-seven".