25349564 has 12 divisors (see below), whose sum is σ = 44440704. Its totient is φ = 12652224.

The previous prime is 25349563. The next prime is 25349617. The reversal of 25349564 is 46594352.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349561) 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 3 ways as a sum of consecutive naturals, for example, 2972 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (3703392).

Almost surely, 2^25349564 is an apocalyptic number.

It is an amenable number.

25349564 is a deficient number, since it is larger than the sum of its proper divisors (19091140).

25349564 is a wasteful number, since it uses less digits than its factorization.

25349564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284 (or 11282 counting only the distinct ones).

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

The square root of 25349564 is about 5034.8350519158. The cubic root of 25349564 is about 293.7583124855.

The spelling of 25349564 in words is "twenty-five million, three hundred forty-nine thousand, five hundred sixty-four".