2605532903 has 8 divisors (see below), whose sum is σ = 2676140880. Its totient is φ = 2535261120.

The previous prime is 2605532893. The next prime is 2605532959. The reversal of 2605532903 is 3092355062.

It is a happy number.

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 2605532903 - 2⁴ = 2605532887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605532203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68300 + ... + 99377.

It is an arithmetic number, because the mean of its divisors is an integer number (334517610).

Almost surely, 2^2605532903 is an apocalyptic number.

2605532903 is a deficient number, since it is larger than the sum of its proper divisors (70607977).

2605532903 is a wasteful number, since it uses less digits than its factorization.

2605532903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168097.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 2605532903 is about 51044.4208802490. The cubic root of 2605532903 is about 1376.0435763351.

Adding to 2605532903 its reverse (3092355062), we get a palindrome (5697887965).

The spelling of 2605532903 in words is "two billion, six hundred five million, five hundred thirty-two thousand, nine hundred three".