537081273 has 32 divisors (see below), whose sum is σ = 809635200. Its totient is φ = 356218560.

The previous prime is 537081163. The next prime is 537081287. The reversal of 537081273 is 372180735.

It is not a de Polignac number, because 537081273 - 2²⁵ = 503526841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (537081373) 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, 526558 + ... + 527576.

It is an arithmetic number, because the mean of its divisors is an integer number (25301100).

Almost surely, 2^537081273 is an apocalyptic number.

It is an amenable number.

537081273 is a deficient number, since it is larger than the sum of its proper divisors (272553927).

537081273 is an equidigital number, since it uses as much as digits as its factorization.

537081273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 537081273 is about 23175.0139805783. The cubic root of 537081273 is about 812.8554773674.

The spelling of 537081273 in words is "five hundred thirty-seven million, eighty-one thousand, two hundred seventy-three".