25106838 has 32 divisors (see below), whose sum is σ = 52116480. Its totient is φ = 8054880.

The previous prime is 25106833. The next prime is 25106863. The reversal of 25106838 is 83860152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25106799 and 25106808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25106833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64348 + ... + 64736.

It is an arithmetic number, because the mean of its divisors is an integer number (1628640).

Almost surely, 2^25106838 is an apocalyptic number.

25106838 is an abundant number, since it is smaller than the sum of its proper divisors (27009642).

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

25106838 is a wasteful number, since it uses less digits than its factorization.

25106838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 25106838 is about 5010.6724099666. The cubic root of 25106838 is about 292.8177101548.

The spelling of 25106838 in words is "twenty-five million, one hundred six thousand, eight hundred thirty-eight".