25204545 has 48 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 12407040.

The previous prime is 25204513. The next prime is 25204559. The reversal of 25204545 is 54540252.

It is not a de Polignac number, because 25204545 - 2⁵ = 25204513 is a prime.

25204545 is a modest number, since divided by 4545 gives 2520 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34696 + ... + 35414.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^25204545 is an apocalyptic number.

It is an amenable number.

25204545 is a deficient number, since it is larger than the sum of its proper divisors (21969855).

25204545 is a wasteful number, since it uses less digits than its factorization.

25204545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 25204545 is about 5020.4128316305. The cubic root of 25204545 is about 293.1970663849.

Adding to 25204545 its reverse (54540252), we get a palindrome (79744797).

The spelling of 25204545 in words is "twenty-five million, two hundred four thousand, five hundred forty-five".