25450459 has 2 divisors, whose sum is σ = 25450460. Its totient is φ = 25450458.

The previous prime is 25450457. The next prime is 25450471. The reversal of 25450459 is 95405452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25450459 - 2¹ = 25450457 is a prime.

Together with 25450457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25450457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725229 + 12725230.

It is an arithmetic number, because the mean of its divisors is an integer number (12725230).

Almost surely, 2^25450459 is an apocalyptic number.

25450459 is a deficient number, since it is larger than the sum of its proper divisors (1).

25450459 is an equidigital number, since it uses as much as digits as its factorization.

25450459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 25450459 is about 5044.8447944412. The cubic root of 25450459 is about 294.1475303495.

The spelling of 25450459 in words is "twenty-five million, four hundred fifty thousand, four hundred fifty-nine".