25852523 has 2 divisors, whose sum is σ = 25852524. Its totient is φ = 25852522.

The previous prime is 25852517. The next prime is 25852549. The reversal of 25852523 is 32525852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25852523 - 2¹⁸ = 25590379 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25852523.

It is not a weakly prime, because it can be changed into another prime (25852573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926261 + 12926262.

It is an arithmetic number, because the mean of its divisors is an integer number (12926262).

Almost surely, 2^25852523 is an apocalyptic number.

25852523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25852523 is an equidigital number, since it uses as much as digits as its factorization.

25852523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 32.

The square root of 25852523 is about 5084.5376387632. The cubic root of 25852523 is about 295.6884161920.

The spelling of 25852523 in words is "twenty-five million, eight hundred fifty-two thousand, five hundred twenty-three".