25711349 has 2 divisors, whose sum is σ = 25711350. Its totient is φ = 25711348.

The previous prime is 25711333. The next prime is 25711363. The reversal of 25711349 is 94311752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 208849 = 5050^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 25711349 - 2⁴ = 25711333 is a prime.

It is a super-2 number, since 2×25711349² = 1322146934799602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25711319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12855674 + 12855675.

It is an arithmetic number, because the mean of its divisors is an integer number (12855675).

Almost surely, 2^25711349 is an apocalyptic number.

It is an amenable number.

25711349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25711349 is an equidigital number, since it uses as much as digits as its factorization.

25711349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 25711349 is about 5070.6359561696. The cubic root of 25711349 is about 295.1492072933.

The spelling of 25711349 in words is "twenty-five million, seven hundred eleven thousand, three hundred forty-nine".