25852811 has 2 divisors, whose sum is σ = 25852812. Its totient is φ = 25852810.

The previous prime is 25852807. The next prime is 25852819. The reversal of 25852811 is 11825852.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25852811 - 2² = 25852807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25852819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926405 + 12926406.

It is an arithmetic number, because the mean of its divisors is an integer number (12926406).

Almost surely, 2^25852811 is an apocalyptic number.

25852811 is a deficient number, since it is larger than the sum of its proper divisors (1).

25852811 is an equidigital number, since it uses as much as digits as its factorization.

25852811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 32.

The square root of 25852811 is about 5084.5659598436. The cubic root of 25852811 is about 295.6895141886.

The spelling of 25852811 in words is "twenty-five million, eight hundred fifty-two thousand, eight hundred eleven".