25548361 has 2 divisors, whose sum is σ = 25548362. Its totient is φ = 25548360.

The previous prime is 25548349. The next prime is 25548409. The reversal of 25548361 is 16384552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 197136 = 5035^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 25548361 - 2⁵ = 25548329 is a prime.

It is not a weakly prime, because it can be changed into another prime (25548661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12774180 + 12774181.

It is an arithmetic number, because the mean of its divisors is an integer number (12774181).

Almost surely, 2^25548361 is an apocalyptic number.

It is an amenable number.

25548361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25548361 is an equidigital number, since it uses as much as digits as its factorization.

25548361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 25548361 is about 5054.5386535271. The cubic root of 25548361 is about 294.5242201412.

The spelling of 25548361 in words is "twenty-five million, five hundred forty-eight thousand, three hundred sixty-one".