25854013 has 2 divisors, whose sum is σ = 25854014. Its totient is φ = 25854012.

The previous prime is 25854007. The next prime is 25854019. The reversal of 25854013 is 31045852.

It is a balanced prime because it is at equal distance from previous prime (25854007) and next prime (25854019).

It can be written as a sum of positive squares in only one way, i.e., 19518724 + 6335289 = 4418^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 25854013 - 2⁹ = 25853501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25854019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12927006 + 12927007.

It is an arithmetic number, because the mean of its divisors is an integer number (12927007).

Almost surely, 2^25854013 is an apocalyptic number.

It is an amenable number.

25854013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25854013 is an equidigital number, since it uses as much as digits as its factorization.

25854013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 25854013 is about 5084.6841593161. The cubic root of 25854013 is about 295.6940967114.

Adding to 25854013 its reverse (31045852), we get a palindrome (56899865).

The spelling of 25854013 in words is "twenty-five million, eight hundred fifty-four thousand, thirteen".