25847051 has 2 divisors, whose sum is σ = 25847052. Its totient is φ = 25847050.

The previous prime is 25847023. The next prime is 25847071. The reversal of 25847051 is 15074852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25847051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25846999 and 25847017.

It is not a weakly prime, because it can be changed into another prime (25847071) 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, 12923525 + 12923526.

It is an arithmetic number, because the mean of its divisors is an integer number (12923526).

Almost surely, 2^25847051 is an apocalyptic number.

25847051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25847051 is an equidigital number, since it uses as much as digits as its factorization.

25847051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 25847051 is about 5083.9995082612. Note that the first 3 decimals coincide. The cubic root of 25847051 is about 295.6675527069.

The spelling of 25847051 in words is "twenty-five million, eight hundred forty-seven thousand, fifty-one".