25334549 has 2 divisors, whose sum is σ = 25334550. Its totient is φ = 25334548.

The previous prime is 25334521. The next prime is 25334563. The reversal of 25334549 is 94543352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 1500625 = 4882^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 25334549 - 2¹² = 25330453 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25334249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12667274 + 12667275.

It is an arithmetic number, because the mean of its divisors is an integer number (12667275).

Almost surely, 2^25334549 is an apocalyptic number.

It is an amenable number.

25334549 is a deficient number, since it is larger than the sum of its proper divisors (1).

25334549 is an equidigital number, since it uses as much as digits as its factorization.

25334549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 25334549 is about 5033.3437196361. The cubic root of 25334549 is about 293.7003015967.

The spelling of 25334549 in words is "twenty-five million, three hundred thirty-four thousand, five hundred forty-nine".