32505052405 has 16 divisors (see below), whose sum is σ = 44681808384. Its totient is φ = 22237453440.

The previous prime is 32505052379. The next prime is 32505052409. The reversal of 32505052405 is 50425050523.

It is a happy number.

It is not a de Polignac number, because 32505052405 - 2⁹ = 32505051893 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 (32505052409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062312 + ... + 1092481.

It is an arithmetic number, because the mean of its divisors is an integer number (2792613024).

Almost surely, 2^32505052405 is an apocalyptic number.

32505052405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32505052405 is a deficient number, since it is larger than the sum of its proper divisors (12176755979).

32505052405 is a wasteful number, since it uses less digits than its factorization.

32505052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155236.

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 32505052405 in words is "thirty-two billion, five hundred five million, fifty-two thousand, four hundred five".