83137537 has 4 divisors (see below), whose sum is σ = 95014336. Its totient is φ = 71260740.

The previous prime is 83137511. The next prime is 83137541. The reversal of 83137537 is 73573138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73573138 = 2 ⋅36786569.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83137537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83137496 and 83137505.

It is not an unprimeable number, because it can be changed into a prime (83137547) 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, 5938389 + ... + 5938402.

It is an arithmetic number, because the mean of its divisors is an integer number (23753584).

Almost surely, 2^83137537 is an apocalyptic number.

It is an amenable number.

83137537 is a deficient number, since it is larger than the sum of its proper divisors (11876799).

83137537 is a wasteful number, since it uses less digits than its factorization.

83137537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876798.

The product of its digits is 52920, while the sum is 37.

The square root of 83137537 is about 9117.9787782161. The cubic root of 83137537 is about 436.4478763961.

The spelling of 83137537 in words is "eighty-three million, one hundred thirty-seven thousand, five hundred thirty-seven".