25769123 has 2 divisors, whose sum is σ = 25769124. Its totient is φ = 25769122.

The previous prime is 25769099. The next prime is 25769137. The reversal of 25769123 is 32196752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25769123 - 2¹² = 25765027 is a prime.

It is not a weakly prime, because it can be changed into another prime (25769173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12884561 + 12884562.

It is an arithmetic number, because the mean of its divisors is an integer number (12884562).

Almost surely, 2^25769123 is an apocalyptic number.

25769123 is a deficient number, since it is larger than the sum of its proper divisors (1).

25769123 is an equidigital number, since it uses as much as digits as its factorization.

25769123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 25769123 is about 5076.3296780253. The cubic root of 25769123 is about 295.3701109647.

The spelling of 25769123 in words is "twenty-five million, seven hundred sixty-nine thousand, one hundred twenty-three".