537281889 has 8 divisors (see below), whose sum is σ = 758515680. Its totient is φ = 337118016.

The previous prime is 537281881. The next prime is 537281897. The reversal of 537281889 is 988182735.

It is an interprime number because it is at equal distance from previous prime (537281881) and next prime (537281897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 537281889 - 2³ = 537281881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 10534939 = 537281889 / (5 + 3 + 7 + 2 + 8 + 1 + 8 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (537281881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267419 + ... + 5267520.

It is an arithmetic number, because the mean of its divisors is an integer number (94814460).

Almost surely, 2^537281889 is an apocalyptic number.

It is an amenable number.

537281889 is a deficient number, since it is larger than the sum of its proper divisors (221233791).

537281889 is a wasteful number, since it uses less digits than its factorization.

537281889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534959.

The product of its digits is 967680, while the sum is 51.

The square root of 537281889 is about 23179.3418586465. The cubic root of 537281889 is about 812.9566734202.

The spelling of 537281889 in words is "five hundred thirty-seven million, two hundred eighty-one thousand, eight hundred eighty-nine".