25353005 has 4 divisors (see below), whose sum is σ = 30423612. Its totient is φ = 20282400.

The previous prime is 25352993. The next prime is 25353007. The reversal of 25353005 is 50035352.

It is a happy number.

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 19731364 + 5621641 = 4442^2 + 2371^2 .

It is not a de Polignac number, because 25353005 - 2⁶ = 25352941 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 (25353007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2535296 + ... + 2535305.

It is an arithmetic number, because the mean of its divisors is an integer number (7605903).

Almost surely, 2^25353005 is an apocalyptic number.

It is an amenable number.

25353005 is a deficient number, since it is larger than the sum of its proper divisors (5070607).

25353005 is an equidigital number, since it uses as much as digits as its factorization.

25353005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070606.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 25353005 is about 5035.1767595587. The cubic root of 25353005 is about 293.7716036624.

Adding to 25353005 its reverse (50035352), we get a palindrome (75388357).

The spelling of 25353005 in words is "twenty-five million, three hundred fifty-three thousand, five".