25484929 has 2 divisors, whose sum is σ = 25484930. Its totient is φ = 25484928.

The previous prime is 25484923. The next prime is 25484933. The reversal of 25484929 is 92948452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19492225 + 5992704 = 4415^2 + 2448^2 .

It is a cyclic number.

It is not a de Polignac number, because 25484929 - 2⁷ = 25484801 is a prime.

It is a super-2 number, since 2×25484929² = 1298963212270082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25484923) 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, 12742464 + 12742465.

It is an arithmetic number, because the mean of its divisors is an integer number (12742465).

Almost surely, 2^25484929 is an apocalyptic number.

It is an amenable number.

25484929 is a deficient number, since it is larger than the sum of its proper divisors (1).

25484929 is an equidigital number, since it uses as much as digits as its factorization.

25484929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 25484929 is about 5048.2599972664. The cubic root of 25484929 is about 294.2802678545.

The spelling of 25484929 in words is "twenty-five million, four hundred eighty-four thousand, nine hundred twenty-nine".