25425500004 has 36 divisors (see below), whose sum is σ = 64339280460. Its totient is φ = 8466032640.

The previous prime is 25425499997. The next prime is 25425500011. The reversal of 25425500004 is 40000552452.

It is an interprime number because it is at equal distance from previous prime (25425499997) and next prime (25425500011).

It can be written as a sum of positive squares in 2 ways, for example, as 13316698404 + 12108801600 = 115398^2 + 110040^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346677 + ... + 413564.

It is an arithmetic number, because the mean of its divisors is an integer number (1787202235).

Almost surely, 2^25425500004 is an apocalyptic number.

It is an amenable number.

25425500004 is an abundant number, since it is smaller than the sum of its proper divisors (38913780456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25425500004 is a wasteful number, since it uses less digits than its factorization.

25425500004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761180 (or 761175 counting only the distinct ones).

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

The spelling of 25425500004 in words is "twenty-five billion, four hundred twenty-five million, five hundred thousand, four".