25113829 has 4 divisors (see below), whose sum is σ = 27045676. Its totient is φ = 23181984.

The previous prime is 25113821. The next prime is 25113833. The reversal of 25113829 is 92831152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 14861025 = 3202^2 + 3855^2 .

It is a cyclic number.

It is not a de Polignac number, because 25113829 - 2³ = 25113821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25113829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113821) 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, 965904 + ... + 965929.

It is an arithmetic number, because the mean of its divisors is an integer number (6761419).

Almost surely, 2^25113829 is an apocalyptic number.

It is an amenable number.

25113829 is a deficient number, since it is larger than the sum of its proper divisors (1931847).

25113829 is a wasteful number, since it uses less digits than its factorization.

25113829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931846.

The product of its digits is 4320, while the sum is 31.

The square root of 25113829 is about 5011.3699723728. The cubic root of 25113829 is about 292.8448860002.

The spelling of 25113829 in words is "twenty-five million, one hundred thirteen thousand, eight hundred twenty-nine".