25313527 has 4 divisors (see below), whose sum is σ = 26802576. Its totient is φ = 23824480.

The previous prime is 25313521. The next prime is 25313531. The reversal of 25313527 is 72531352.

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

It is a de Polignac number, because none of the positive numbers 2^k-25313527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25313495 and 25313504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313521) 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 in 3 ways as a sum of consecutive naturals, for example, 744499 + ... + 744532.

It is an arithmetic number, because the mean of its divisors is an integer number (6700644).

Almost surely, 2^25313527 is an apocalyptic number.

25313527 is a deficient number, since it is larger than the sum of its proper divisors (1489049).

25313527 is a wasteful number, since it uses less digits than its factorization.

25313527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489048.

The product of its digits is 6300, while the sum is 28.

The square root of 25313527 is about 5031.2550124199. The cubic root of 25313527 is about 293.6190439664.

Adding to 25313527 its reverse (72531352), we get a palindrome (97844879).

The spelling of 25313527 in words is "twenty-five million, three hundred thirteen thousand, five hundred twenty-seven".