25837049 has 4 divisors (see below), whose sum is σ = 29528064. Its totient is φ = 22146036.

The previous prime is 25836997. The next prime is 25837067. The reversal of 25837049 is 94073852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25837049 - 2¹² = 25832953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25837069) 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, 1845497 + ... + 1845510.

It is an arithmetic number, because the mean of its divisors is an integer number (7382016).

Almost surely, 2^25837049 is an apocalyptic number.

It is an amenable number.

25837049 is a deficient number, since it is larger than the sum of its proper divisors (3691015).

25837049 is an equidigital number, since it uses as much as digits as its factorization.

25837049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691014.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 25837049 is about 5083.0157387126. The cubic root of 25837049 is about 295.6294097559.

The spelling of 25837049 in words is "twenty-five million, eight hundred thirty-seven thousand, forty-nine".