25452029 has 2 divisors, whose sum is σ = 25452030. Its totient is φ = 25452028.

The previous prime is 25452019. The next prime is 25452059. The reversal of 25452029 is 92025452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 4 = 5045^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 25452029 - 2⁴ = 25452013 is a prime.

It is a super-3 number, since 3×25452029³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25451992 and 25452010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25452019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12726014 + 12726015.

It is an arithmetic number, because the mean of its divisors is an integer number (12726015).

Almost surely, 2^25452029 is an apocalyptic number.

It is an amenable number.

25452029 is a deficient number, since it is larger than the sum of its proper divisors (1).

25452029 is an equidigital number, since it uses as much as digits as its factorization.

25452029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 25452029 is about 5045.0003964321. Note that the first 3 decimals coincide. The cubic root of 25452029 is about 294.1535787293.

The spelling of 25452029 in words is "twenty-five million, four hundred fifty-two thousand, twenty-nine".