2585251919425 has 24 divisors (see below), whose sum is σ = 3664014105152. Its totient is φ = 1772578296000.

The previous prime is 2585251919363. The next prime is 2585251919429. The reversal of 2585251919425 is 5249191525852.

It is a happy number.

2585251919425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2585251919425 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2585251919425.

It is not an unprimeable number, because it can be changed into a prime (2585251919429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1199155 + ... + 2570695.

Almost surely, 2^{2585251919425} is an apocalyptic number.

2585251919425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2585251919425 is a deficient number, since it is larger than the sum of its proper divisors (1078762185727).

2585251919425 is a wasteful number, since it uses less digits than its factorization.

2585251919425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382329 (or 1382324 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 58.

The spelling of 2585251919425 in words is "two trillion, five hundred eighty-five billion, two hundred fifty-one million, nine hundred nineteen thousand, four hundred twenty-five".