2605231573625 has 8 divisors (see below), whose sum is σ = 3251329004040. Its totient is φ = 2084185258800.

The previous prime is 2605231573589. The next prime is 2605231573631. The reversal of 2605231573625 is 5263751325062.

It can be written as a sum of positive squares in 4 ways, for example, as 272378566201 + 2332853007424 = 521899^2 + 1527368^2 .

It is not a de Polignac number, because 2605231573625 - 2³⁰ = 2604157831801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2605231573625.

It is an unprimeable number.

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, 10420926170 + ... + 10420926419.

It is an arithmetic number, because the mean of its divisors is an integer number (406416125505).

Almost surely, 2^{2605231573625} is an apocalyptic number.

2605231573625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2605231573625 is a deficient number, since it is larger than the sum of its proper divisors (646097430415).

2605231573625 is an equidigital number, since it uses as much as digits as its factorization.

2605231573625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841852604 (or 20841852594 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

Adding to 2605231573625 its reverse (5263751325062), we get a palindrome (7868982898687).

The spelling of 2605231573625 in words is "two trillion, six hundred five billion, two hundred thirty-one million, five hundred seventy-three thousand, six hundred twenty-five".