25139893 has 8 divisors (see below), whose sum is σ = 25586496. Its totient is φ = 24696000.

The previous prime is 25139887. The next prime is 25139927. The reversal of 25139893 is 39893152.

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 25139893 - 2²¹ = 23042741 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 (25139833) 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 7 ways as a sum of consecutive naturals, for example, 28030 + ... + 28912.

It is an arithmetic number, because the mean of its divisors is an integer number (3198312).

Almost surely, 2^25139893 is an apocalyptic number.

It is an amenable number.

25139893 is a deficient number, since it is larger than the sum of its proper divisors (446603).

25139893 is an equidigital number, since it uses as much as digits as its factorization.

25139893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its digits is 58320, while the sum is 40.

The square root of 25139893 is about 5013.9697845121. The cubic root of 25139893 is about 292.9461591557.

The spelling of 25139893 in words is "twenty-five million, one hundred thirty-nine thousand, eight hundred ninety-three".