83053405 has 8 divisors (see below), whose sum is σ = 100053432. Its totient is φ = 66183168.

The previous prime is 83053393. The next prime is 83053423. The reversal of 83053405 is 50435038.

It can be written as a sum of positive squares in 4 ways, for example, as 32387481 + 50665924 = 5691^2 + 7118^2 .

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 83053405 - 2²³ = 74664797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31032 + ... + 33601.

It is an arithmetic number, because the mean of its divisors is an integer number (12506679).

Almost surely, 2^83053405 is an apocalyptic number.

It is an amenable number.

83053405 is a deficient number, since it is larger than the sum of its proper divisors (17000027).

83053405 is a wasteful number, since it uses less digits than its factorization.

83053405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64895.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 83053405 is about 9113.3640879754. The cubic root of 83053405 is about 436.3006038676.

The spelling of 83053405 in words is "eighty-three million, fifty-three thousand, four hundred five".