25461587 has 8 divisors (see below), whose sum is σ = 26345856. Its totient is φ = 24587712.

The previous prime is 25461551. The next prime is 25461589. The reversal of 25461587 is 78516452.

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

It is a cyclic number.

It is not a de Polignac number, because 25461587 - 2¹² = 25457491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25461587.

It is not an unprimeable number, because it can be changed into a prime (25461589) 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, 2558 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (3293232).

Almost surely, 2^25461587 is an apocalyptic number.

25461587 is a deficient number, since it is larger than the sum of its proper divisors (884269).

25461587 is a wasteful number, since it uses less digits than its factorization.

25461587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197.

The product of its digits is 67200, while the sum is 38.

The square root of 25461587 is about 5045.9475819711. The cubic root of 25461587 is about 294.1903952839.

The spelling of 25461587 in words is "twenty-five million, four hundred sixty-one thousand, five hundred eighty-seven".