2525005250021 has 8 divisors (see below), whose sum is σ = 2657923396800. Its totient is φ = 2392089416640.

The previous prime is 2525005249981. The next prime is 2525005250051. The reversal of 2525005250021 is 1200525005252.

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 2525005250021 - 2⁶ = 2525005249957 is a prime.

It is a super-2 number, since 2×2525005250021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525005250051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944200 + ... + 2971518.

It is an arithmetic number, because the mean of its divisors is an integer number (332240424600).

Almost surely, 2^{2525005250021} is an apocalyptic number.

It is an amenable number.

2525005250021 is a deficient number, since it is larger than the sum of its proper divisors (132918146779).

2525005250021 is a wasteful number, since it uses less digits than its factorization.

2525005250021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156699.

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 2525005250021 in words is "two trillion, five hundred twenty-five billion, five million, two hundred fifty thousand, twenty-one".