537667117 has 4 divisors (see below), whose sum is σ = 579026140. Its totient is φ = 496308096.

The previous prime is 537667051. The next prime is 537667147. The reversal of 537667117 is 711766735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192487876 + 345179241 = 13874^2 + 18579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-537667117 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 (537667147) 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, 20679492 + ... + 20679517.

It is an arithmetic number, because the mean of its divisors is an integer number (144756535).

Almost surely, 2^537667117 is an apocalyptic number.

It is an amenable number.

537667117 is a deficient number, since it is larger than the sum of its proper divisors (41359023).

537667117 is a wasteful number, since it uses less digits than its factorization.

537667117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41359022.

The product of its digits is 185220, while the sum is 43.

The square root of 537667117 is about 23187.6500965492. The cubic root of 537667117 is about 813.1509220767.

The spelling of 537667117 in words is "five hundred thirty-seven million, six hundred sixty-seven thousand, one hundred seventeen".