25427953 has 2 divisors, whose sum is σ = 25427954. Its totient is φ = 25427952.

The previous prime is 25427951. The next prime is 25427957. The reversal of 25427953 is 35972452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25321024 + 106929 = 5032^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 25427953 - 2¹ = 25427951 is a prime.

Together with 25427951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25427951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12713976 + 12713977.

It is an arithmetic number, because the mean of its divisors is an integer number (12713977).

Almost surely, 2^25427953 is an apocalyptic number.

It is an amenable number.

25427953 is a deficient number, since it is larger than the sum of its proper divisors (1).

25427953 is an equidigital number, since it uses as much as digits as its factorization.

25427953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 25427953 is about 5042.6137071959. The cubic root of 25427953 is about 294.0607992789.

The spelling of 25427953 in words is "twenty-five million, four hundred twenty-seven thousand, nine hundred fifty-three".