25546379 has 2 divisors, whose sum is σ = 25546380. Its totient is φ = 25546378.

The previous prime is 25546349. The next prime is 25546421. The reversal of 25546379 is 97364552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25546379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25546319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12773189 + 12773190.

It is an arithmetic number, because the mean of its divisors is an integer number (12773190).

Almost surely, 2^25546379 is an apocalyptic number.

25546379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25546379 is an equidigital number, since it uses as much as digits as its factorization.

25546379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 25546379 is about 5054.3425883096. The cubic root of 25546379 is about 294.5166037087.

The spelling of 25546379 in words is "twenty-five million, five hundred forty-six thousand, three hundred seventy-nine".