25486613 has 4 divisors (see below), whose sum is σ = 25554240. Its totient is φ = 25418988.

The previous prime is 25486609. The next prime is 25486631. The reversal of 25486613 is 31668452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25486613 - 2² = 25486609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25486603) 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, 33245 + ... + 34002.

It is an arithmetic number, because the mean of its divisors is an integer number (6388560).

Almost surely, 2^25486613 is an apocalyptic number.

It is an amenable number.

25486613 is a deficient number, since it is larger than the sum of its proper divisors (67627).

25486613 is an equidigital number, since it uses as much as digits as its factorization.

25486613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67626.

The product of its digits is 34560, while the sum is 35.

The square root of 25486613 is about 5048.4267846528. The cubic root of 25486613 is about 294.2867495554.

The spelling of 25486613 in words is "twenty-five million, four hundred eighty-six thousand, six hundred thirteen".