25713349 has 2 divisors, whose sum is σ = 25713350. Its totient is φ = 25713348.

The previous prime is 25713341. The next prime is 25713361. The reversal of 25713349 is 94331752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24820324 + 893025 = 4982^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 25713349 - 2³ = 25713341 is a prime.

It is a super-2 number, since 2×25713349² = 1322352633591602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25713341) 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, 12856674 + 12856675.

It is an arithmetic number, because the mean of its divisors is an integer number (12856675).

Almost surely, 2^25713349 is an apocalyptic number.

It is an amenable number.

25713349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25713349 is an equidigital number, since it uses as much as digits as its factorization.

25713349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 25713349 is about 5070.8331662558. The cubic root of 25713349 is about 295.1568599853.

It can be divided in two parts, 25713 and 349, that added together give a palindrome (26062).

The spelling of 25713349 in words is "twenty-five million, seven hundred thirteen thousand, three hundred forty-nine".