25485438 has 16 divisors (see below), whose sum is σ = 55604736. Its totient is φ = 7722840.

The previous prime is 25485419. The next prime is 25485451. The reversal of 25485438 is 83458452.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25485396 and 25485405.

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, 193006 + ... + 193137.

It is an arithmetic number, because the mean of its divisors is an integer number (3475296).

Almost surely, 2^25485438 is an apocalyptic number.

25485438 is an abundant number, since it is smaller than the sum of its proper divisors (30119298).

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

25485438 is a wasteful number, since it uses less digits than its factorization.

25485438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386159.

The product of its digits is 153600, while the sum is 39.

The square root of 25485438 is about 5048.3104104245. The cubic root of 25485438 is about 294.2822270211.

The spelling of 25485438 in words is "twenty-five million, four hundred eighty-five thousand, four hundred thirty-eight".