25292489 has 2 divisors, whose sum is σ = 25292490. Its totient is φ = 25292488.

The previous prime is 25292467. The next prime is 25292503. The reversal of 25292489 is 98429252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23116864 + 2175625 = 4808^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 25292489 - 2¹⁶ = 25226953 is a prime.

It is not a weakly prime, because it can be changed into another prime (25292419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12646244 + 12646245.

It is an arithmetic number, because the mean of its divisors is an integer number (12646245).

Almost surely, 2^25292489 is an apocalyptic number.

It is an amenable number.

25292489 is a deficient number, since it is larger than the sum of its proper divisors (1).

25292489 is an equidigital number, since it uses as much as digits as its factorization.

25292489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 25292489 is about 5029.1638470028. The cubic root of 25292489 is about 293.5376794386.

The spelling of 25292489 in words is "twenty-five million, two hundred ninety-two thousand, four hundred eighty-nine".