25842473 has 2 divisors, whose sum is σ = 25842474. Its totient is φ = 25842472.

The previous prime is 25842461. The next prime is 25842493. The reversal of 25842473 is 37424852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24334489 + 1507984 = 4933^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 25842473 - 2⁴ = 25842457 is a prime.

It is not a weakly prime, because it can be changed into another prime (25842493) 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, 12921236 + 12921237.

It is an arithmetic number, because the mean of its divisors is an integer number (12921237).

Almost surely, 2^25842473 is an apocalyptic number.

It is an amenable number.

25842473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25842473 is an equidigital number, since it uses as much as digits as its factorization.

25842473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 25842473 is about 5083.5492522449. The cubic root of 25842473 is about 295.6500955771.

The spelling of 25842473 in words is "twenty-five million, eight hundred forty-two thousand, four hundred seventy-three".