25712349 has 16 divisors (see below), whose sum is σ = 37094400. Its totient is φ = 15748416.

The previous prime is 25712341. The next prime is 25712363. The reversal of 25712349 is 94321752.

It is not a de Polignac number, because 25712349 - 2³ = 25712341 is a prime.

It is a super-3 number, since 3×25712349³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25712341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7492 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (2318400).

Almost surely, 2^25712349 is an apocalyptic number.

It is an amenable number.

25712349 is a deficient number, since it is larger than the sum of its proper divisors (11382051).

25712349 is a wasteful number, since it uses less digits than its factorization.

25712349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its digits is 15120, while the sum is 33.

The square root of 25712349 is about 5070.7345621714. The cubic root of 25712349 is about 295.1530336889.

The spelling of 25712349 in words is "twenty-five million, seven hundred twelve thousand, three hundred forty-nine".