25733139 has 8 divisors (see below), whose sum is σ = 34354320. Its totient is φ = 17133696.

The previous prime is 25733119. The next prime is 25733161. The reversal of 25733139 is 93133752.

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

It is not a de Polignac number, because 25733139 - 2⁵ = 25733107 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25733119) 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, 2434 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (4294290).

Almost surely, 2^25733139 is an apocalyptic number.

25733139 is a deficient number, since it is larger than the sum of its proper divisors (8621181).

25733139 is a wasteful number, since it uses less digits than its factorization.

25733139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869.

The product of its digits is 17010, while the sum is 33.

The square root of 25733139 is about 5072.7841467975. The cubic root of 25733139 is about 295.2325619922.

The spelling of 25733139 in words is "twenty-five million, seven hundred thirty-three thousand, one hundred thirty-nine".