25543051 has 2 divisors, whose sum is σ = 25543052. Its totient is φ = 25543050.

The previous prime is 25543033. The next prime is 25543069. The reversal of 25543051 is 15034552.

It is a balanced prime because it is at equal distance from previous prime (25543033) and next prime (25543069).

It is a cyclic number.

It is not a de Polignac number, because 25543051 - 2⁵ = 25543019 is a prime.

It is not a weakly prime, because it can be changed into another prime (25543351) 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, 12771525 + 12771526.

It is an arithmetic number, because the mean of its divisors is an integer number (12771526).

Almost surely, 2^25543051 is an apocalyptic number.

25543051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25543051 is an equidigital number, since it uses as much as digits as its factorization.

25543051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25543051 is about 5054.0133557402. The cubic root of 25543051 is about 294.5038139794.

The spelling of 25543051 in words is "twenty-five million, five hundred forty-three thousand, fifty-one".