25005030005 has 16 divisors (see below), whose sum is σ = 30925635840. Its totient is φ = 19398768192.

The previous prime is 25005029981. The next prime is 25005030019. The reversal of 25005030005 is 50003050052.

It is a cyclic number.

It is not a de Polignac number, because 25005030005 - 2⁶ = 25005029941 is a prime.

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, 462479 + ... + 513708.

It is an arithmetic number, because the mean of its divisors is an integer number (1932852240).

Almost surely, 2^25005030005 is an apocalyptic number.

It is an amenable number.

25005030005 is a deficient number, since it is larger than the sum of its proper divisors (5920605835).

25005030005 is a wasteful number, since it uses less digits than its factorization.

25005030005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976348.

The product of its (nonzero) digits is 750, while the sum is 20.

Adding to 25005030005 its reverse (50003050052), we get a palindrome (75008080057).

The spelling of 25005030005 in words is "twenty-five billion, five million, thirty thousand, five".