543034874281 has 27 divisors (see below), whose sum is σ = 561777576087. Its totient is φ = 524915018880.

The previous prime is 543034874273. The next prime is 543034874309. The reversal of 543034874281 is 182478430345.

The square root of 543034874281 is 736909.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 243843378025 + 299191496256 = 493805^2 + 546984^2 .

It is not a de Polignac number, because 543034874281 - 2³ = 543034874273 is a prime.

It is a super-2 number, since 2×543034874281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543034874201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5075092230 + ... + 5075092336.

Almost surely, 2^543034874281 is an apocalyptic number.

543034874281 is the 736909-th square number.

543034874281 is the 368455-th centered octagonal number.

It is an amenable number.

543034874281 is a deficient number, since it is larger than the sum of its proper divisors (18742701806).

543034874281 is an frugal number, since it uses more digits than its factorization.

543034874281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

Multiplying 543034874281 by its sum of digits (49), we get a square (26608708839769 = 5158363²).

The spelling of 543034874281 in words is "five hundred forty-three billion, thirty-four million, eight hundred seventy-four thousand, two hundred eighty-one".