25546349 has 2 divisors, whose sum is σ = 25546350. Its totient is φ = 25546348.

The previous prime is 25546337. The next prime is 25546379. The reversal of 25546349 is 94364552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25180324 + 366025 = 5018^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 25546349 - 2¹⁶ = 25480813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25546319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12773174 + 12773175.

It is an arithmetic number, because the mean of its divisors is an integer number (12773175).

Almost surely, 2^25546349 is an apocalyptic number.

It is an amenable number.

25546349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25546349 is an equidigital number, since it uses as much as digits as its factorization.

25546349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 25546349 is about 5054.3396205637. The cubic root of 25546349 is about 294.5164884217.

The spelling of 25546349 in words is "twenty-five million, five hundred forty-six thousand, three hundred forty-nine".