25852229 has 4 divisors (see below), whose sum is σ = 27840876. Its totient is φ = 23863584.

The previous prime is 25852201. The next prime is 25852237. The reversal of 25852229 is 92225852.

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 8421604 + 17430625 = 2902^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 25852229 - 2¹⁶ = 25786693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25852249) 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, 994304 + ... + 994329.

It is an arithmetic number, because the mean of its divisors is an integer number (6960219).

Almost surely, 2^25852229 is an apocalyptic number.

It is an amenable number.

25852229 is a deficient number, since it is larger than the sum of its proper divisors (1988647).

25852229 is a wasteful number, since it uses less digits than its factorization.

25852229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988646.

The product of its digits is 28800, while the sum is 35.

The square root of 25852229 is about 5084.5087274977. The cubic root of 25852229 is about 295.6872953121.

The spelling of 25852229 in words is "twenty-five million, eight hundred fifty-two thousand, two hundred twenty-nine".