25340527 has 4 divisors (see below), whose sum is σ = 25379640. Its totient is φ = 25301416.

The previous prime is 25340507. The next prime is 25340551. The reversal of 25340527 is 72504352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25340527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25340495 and 25340504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340507) 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, 18568 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (6344910).

Almost surely, 2^25340527 is an apocalyptic number.

25340527 is a deficient number, since it is larger than the sum of its proper divisors (39113).

25340527 is an equidigital number, since it uses as much as digits as its factorization.

25340527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39112.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25340527 is about 5033.9375244435. The cubic root of 25340527 is about 293.7234005189.

Adding to 25340527 its reverse (72504352), we get a palindrome (97844879).

The spelling of 25340527 in words is "twenty-five million, three hundred forty thousand, five hundred twenty-seven".