25053345 has 12 divisors (see below), whose sum is σ = 43425876. Its totient is φ = 13361760.

The previous prime is 25053331. The next prime is 25053383. The reversal of 25053345 is 54335052.

It can be written as a sum of positive squares in 2 ways, for example, as 19633761 + 5419584 = 4431^2 + 2328^2 .

It is not a de Polignac number, because 25053345 - 2⁵ = 25053313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278326 + ... + 278415.

It is an arithmetic number, because the mean of its divisors is an integer number (3618823).

Almost surely, 2^25053345 is an apocalyptic number.

It is an amenable number.

25053345 is a deficient number, since it is larger than the sum of its proper divisors (18372531).

25053345 is a wasteful number, since it uses less digits than its factorization.

25053345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556752 (or 556749 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 25053345 is about 5005.3316573430. The cubic root of 25053345 is about 292.6096017053.

Adding to 25053345 its reverse (54335052), we get a palindrome (79388397).

The spelling of 25053345 in words is "twenty-five million, fifty-three thousand, three hundred forty-five".