25699134 has 16 divisors (see below), whose sum is σ = 54103680. Its totient is φ = 8115480.

The previous prime is 25699111. The next prime is 25699151. The reversal of 25699134 is 43199652.

It is a junction number, because it is equal to n+sod(n) for n = 25699092 and 25699101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112602 + ... + 112829.

It is an arithmetic number, because the mean of its divisors is an integer number (3381480).

Almost surely, 2^25699134 is an apocalyptic number.

25699134 is an abundant number, since it is smaller than the sum of its proper divisors (28404546).

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

25699134 is a wasteful number, since it uses less digits than its factorization.

25699134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225455.

The product of its digits is 58320, while the sum is 39.

The square root of 25699134 is about 5069.4313290546. The cubic root of 25699134 is about 295.1024598609.

The spelling of 25699134 in words is "twenty-five million, six hundred ninety-nine thousand, one hundred thirty-four".