25979238 has 16 divisors (see below), whose sum is σ = 57731760. Its totient is φ = 8659728.

The previous prime is 25979231. The next prime is 25979243. The reversal of 25979238 is 83297952.

It is a super-3 number, since 3×25979238³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25979193 and 25979202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25979231) 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, 240495 + ... + 240602.

It is an arithmetic number, because the mean of its divisors is an integer number (3608235).

Almost surely, 2^25979238 is an apocalyptic number.

25979238 is an abundant number, since it is smaller than the sum of its proper divisors (31752522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25979238 is a wasteful number, since it uses less digits than its factorization.

25979238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481108 (or 481102 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25979238 is about 5096.9832253991. The cubic root of 25979238 is about 296.1707302733.

It can be divided in two parts, 259 and 79238, that added together give a palindrome (79497).

The spelling of 25979238 in words is "twenty-five million, nine hundred seventy-nine thousand, two hundred thirty-eight".