25482649 has 2 divisors, whose sum is σ = 25482650. Its totient is φ = 25482648.

The previous prime is 25482637. The next prime is 25482661. The reversal of 25482649 is 94628452.

It is a balanced prime because it is at equal distance from previous prime (25482637) and next prime (25482661).

It can be written as a sum of positive squares in only one way, i.e., 21206025 + 4276624 = 4605^2 + 2068^2 .

It is a cyclic number.

It is not a de Polignac number, because 25482649 - 2⁷ = 25482521 is a prime.

It is not a weakly prime, because it can be changed into another prime (25482049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12741324 + 12741325.

It is an arithmetic number, because the mean of its divisors is an integer number (12741325).

Almost surely, 2^25482649 is an apocalyptic number.

It is an amenable number.

25482649 is a deficient number, since it is larger than the sum of its proper divisors (1).

25482649 is an equidigital number, since it uses as much as digits as its factorization.

25482649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 25482649 is about 5048.0341718336. The cubic root of 25482649 is about 294.2714917001.

The spelling of 25482649 in words is "twenty-five million, four hundred eighty-two thousand, six hundred forty-nine".