25474838 has 8 divisors (see below), whose sum is σ = 38355120. Its totient is φ = 12689800.

The previous prime is 25474837. The next prime is 25474849. The reversal of 25474838 is 83847452.

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

It is a super-2 number, since 2×25474838² = 1297934742252488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25474795 and 25474804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25474831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23138 + ... + 24213.

It is an arithmetic number, because the mean of its divisors is an integer number (4794390).

Almost surely, 2^25474838 is an apocalyptic number.

25474838 is a deficient number, since it is larger than the sum of its proper divisors (12880282).

25474838 is a wasteful number, since it uses less digits than its factorization.

25474838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47622.

The product of its digits is 215040, while the sum is 41.

The square root of 25474838 is about 5047.2604450335. The cubic root of 25474838 is about 294.2414217034.

The spelling of 25474838 in words is "twenty-five million, four hundred seventy-four thousand, eight hundred thirty-eight".