25487359 has 4 divisors (see below), whose sum is σ = 25536616. Its totient is φ = 25438104.

The previous prime is 25487327. The next prime is 25487377. The reversal of 25487359 is 95378452.

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 25487359 - 2⁵ = 25487327 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 (25487309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23844 + ... + 24889.

It is an arithmetic number, because the mean of its divisors is an integer number (6384154).

Almost surely, 2^25487359 is an apocalyptic number.

25487359 is a deficient number, since it is larger than the sum of its proper divisors (49257).

25487359 is an equidigital number, since it uses as much as digits as its factorization.

25487359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49256.

The product of its digits is 302400, while the sum is 43.

The square root of 25487359 is about 5048.5006685154. The cubic root of 25487359 is about 294.2896208114.

The spelling of 25487359 in words is "twenty-five million, four hundred eighty-seven thousand, three hundred fifty-nine".