25230449 has 2 divisors, whose sum is σ = 25230450. Its totient is φ = 25230448.

The previous prime is 25230437. The next prime is 25230451. The reversal of 25230449 is 94403252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 628849 = 4960^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 25230449 - 2²⁰ = 24181873 is a prime.

Together with 25230451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25230419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615224 + 12615225.

It is an arithmetic number, because the mean of its divisors is an integer number (12615225).

Almost surely, 2^25230449 is an apocalyptic number.

It is an amenable number.

25230449 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230449 is an equidigital number, since it uses as much as digits as its factorization.

25230449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 25230449 is about 5022.9920366252. The cubic root of 25230449 is about 293.2974765342.

The spelling of 25230449 in words is "twenty-five million, two hundred thirty thousand, four hundred forty-nine".