25633066245 has 16 divisors (see below), whose sum is σ = 41022313920. Its totient is φ = 13667832704.

The previous prime is 25633066237. The next prime is 25633066279. The reversal of 25633066245 is 54266033652.

It is a cyclic number.

It is not a de Polignac number, because 25633066245 - 2³ = 25633066237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25633066197 and 25633066206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127659 + ... + 259928.

It is an arithmetic number, because the mean of its divisors is an integer number (2563894620).

Almost surely, 2^25633066245 is an apocalyptic number.

It is an amenable number.

25633066245 is a deficient number, since it is larger than the sum of its proper divisors (15389247675).

25633066245 is a wasteful number, since it uses less digits than its factorization.

25633066245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392004.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 25633066245 its reverse (54266033652), we get a palindrome (79899099897).

The spelling of 25633066245 in words is "twenty-five billion, six hundred thirty-three million, sixty-six thousand, two hundred forty-five".