25847413 has 2 divisors, whose sum is σ = 25847414. Its totient is φ = 25847412.

The previous prime is 25847407. The next prime is 25847447. The reversal of 25847413 is 31474852.

It is an a-pointer prime, because the next prime (25847447) can be obtained adding 25847413 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25633969 + 213444 = 5063^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 25847413 - 2²¹ = 23750261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25847453) 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, 12923706 + 12923707.

It is an arithmetic number, because the mean of its divisors is an integer number (12923707).

Almost surely, 2^25847413 is an apocalyptic number.

It is an amenable number.

25847413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25847413 is an equidigital number, since it uses as much as digits as its factorization.

25847413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 25847413 is about 5084.0351100283. The cubic root of 25847413 is about 295.6689330211.

The spelling of 25847413 in words is "twenty-five million, eight hundred forty-seven thousand, four hundred thirteen".