25967613 has 8 divisors (see below), whose sum is σ = 39569728. Its totient is φ = 14838624.

The previous prime is 25967597. The next prime is 25967647. The reversal of 25967613 is 31676952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25967613 - 2⁴ = 25967597 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 (25967663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618256 + ... + 618297.

It is an arithmetic number, because the mean of its divisors is an integer number (4946216).

Almost surely, 2^25967613 is an apocalyptic number.

It is an amenable number.

25967613 is a deficient number, since it is larger than the sum of its proper divisors (13602115).

25967613 is a wasteful number, since it uses less digits than its factorization.

25967613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236563.

The product of its digits is 68040, while the sum is 39.

The square root of 25967613 is about 5095.8427173530. The cubic root of 25967613 is about 296.1265475761.

The spelling of 25967613 in words is "twenty-five million, nine hundred sixty-seven thousand, six hundred thirteen".