83187053 has 4 divisors (see below), whose sum is σ = 83618268. Its totient is φ = 82755840.

The previous prime is 83187047. The next prime is 83187059. The reversal of 83187053 is 35078138.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (83187047) and next prime (83187059).

It can be written as a sum of positive squares in 2 ways, for example, as 25381444 + 57805609 = 5038^2 + 7603^2 .

It is a cyclic number.

It is not a de Polignac number, because 83187053 - 2¹⁴ = 83170669 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 (83187059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215318 + ... + 215703.

It is an arithmetic number, because the mean of its divisors is an integer number (20904567).

Almost surely, 2^83187053 is an apocalyptic number.

It is an amenable number.

83187053 is a deficient number, since it is larger than the sum of its proper divisors (431215).

83187053 is a wasteful number, since it uses less digits than its factorization.

83187053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431214.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 83187053 is about 9120.6936687952. The cubic root of 83187053 is about 436.5345073964.

The spelling of 83187053 in words is "eighty-three million, one hundred eighty-seven thousand, fifty-three".