83532405 has 32 divisors (see below), whose sum is σ = 146659968. Its totient is φ = 40262400.

The previous prime is 83532403. The next prime is 83532419. The reversal of 83532405 is 50423538.

It is not a de Polignac number, because 83532405 - 2¹ = 83532403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83532403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28467 + ... + 31263.

It is an arithmetic number, because the mean of its divisors is an integer number (4583124).

Almost surely, 2^83532405 is an apocalyptic number.

It is an amenable number.

83532405 is a deficient number, since it is larger than the sum of its proper divisors (63127563).

83532405 is a wasteful number, since it uses less digits than its factorization.

83532405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 83532405 is about 9139.6063919624. The cubic root of 83532405 is about 437.1377660166.

The spelling of 83532405 in words is "eighty-three million, five hundred thirty-two thousand, four hundred five".