25254438 has 16 divisors (see below), whose sum is σ = 55100736. Its totient is φ = 7652840.

The previous prime is 25254403. The next prime is 25254451. The reversal of 25254438 is 83445252.

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 a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 25254399 and 25254408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191256 + ... + 191387.

It is an arithmetic number, because the mean of its divisors is an integer number (3443796).

Almost surely, 2^25254438 is an apocalyptic number.

25254438 is an abundant number, since it is smaller than the sum of its proper divisors (29846298).

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

25254438 is a wasteful number, since it uses less digits than its factorization.

25254438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382659.

The product of its digits is 38400, while the sum is 33.

The square root of 25254438 is about 5025.3793886631. The cubic root of 25254438 is about 293.3904024064.

The spelling of 25254438 in words is "twenty-five million, two hundred fifty-four thousand, four hundred thirty-eight".