25200279345 has 8 divisors (see below), whose sum is σ = 40320446976. Its totient is φ = 13440148976.

The previous prime is 25200279331. The next prime is 25200279373. The reversal of 25200279345 is 54397200252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25200279345 - 2¹³ = 25200271153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840009297 + ... + 840009326.

It is an arithmetic number, because the mean of its divisors is an integer number (5040055872).

Almost surely, 2^25200279345 is an apocalyptic number.

It is an amenable number.

25200279345 is a deficient number, since it is larger than the sum of its proper divisors (15120167631).

25200279345 is a wasteful number, since it uses less digits than its factorization.

25200279345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680018631.

The product of its (nonzero) digits is 151200, while the sum is 39.

Adding to 25200279345 its reverse (54397200252), we get a palindrome (79597479597).

The spelling of 25200279345 in words is "twenty-five billion, two hundred million, two hundred seventy-nine thousand, three hundred forty-five".