25525003047 has 16 divisors (see below), whose sum is σ = 35919120000. Its totient is φ = 16078505184.

The previous prime is 25525003019. The next prime is 25525003061. The reversal of 25525003047 is 74030052552.

It is not a de Polignac number, because 25525003047 - 2⁸ = 25525002791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25525002999 and 25525003017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525007047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569172 + ... + 612377.

It is an arithmetic number, because the mean of its divisors is an integer number (2244945000).

Almost surely, 2^25525003047 is an apocalyptic number.

25525003047 is a deficient number, since it is larger than the sum of its proper divisors (10394116953).

25525003047 is a wasteful number, since it uses less digits than its factorization.

25525003047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181950.

The product of its (nonzero) digits is 42000, while the sum is 33.

Adding to 25525003047 its reverse (74030052552), we get a palindrome (99555055599).

The spelling of 25525003047 in words is "twenty-five billion, five hundred twenty-five million, three thousand, forty-seven".