25252727 has 4 divisors (see below), whose sum is σ = 25502856. Its totient is φ = 25002600.

The previous prime is 25252723. The next prime is 25252741. The reversal of 25252727 is 72725252.

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

It is a cyclic number.

It is not a de Polignac number, because 25252727 - 2² = 25252723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25252693 and 25252702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252723) 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, 124913 + ... + 125114.

It is an arithmetic number, because the mean of its divisors is an integer number (6375714).

Almost surely, 2^25252727 is an apocalyptic number.

25252727 is a deficient number, since it is larger than the sum of its proper divisors (250129).

25252727 is a wasteful number, since it uses less digits than its factorization.

25252727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250128.

The product of its digits is 19600, while the sum is 32.

The square root of 25252727 is about 5025.2091498763. The cubic root of 25252727 is about 293.3837764777.

Adding to 25252727 its reverse (72725252), we get a palindrome (97977979).

The spelling of 25252727 in words is "twenty-five million, two hundred fifty-two thousand, seven hundred twenty-seven".