535957232281 has 9 divisors (see below), whose sum is σ = 539508416031. Its totient is φ = 532429285752.

The previous prime is 535957232273. The next prime is 535957232401. The reversal of 535957232281 is 182232759535.

The square root of 535957232281 is 732091.

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., 157097286025 + 378859946256 = 396355^2 + 615516^2 .

It is not a de Polignac number, because 535957232281 - 2³ = 535957232273 is a prime.

It is a super-2 number, since 2×535957232281² (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 (535957232231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 114935956 + ... + 114940618.

It is an arithmetic number, because the mean of its divisors is an integer number (59945379559).

Almost surely, 2^535957232281 is an apocalyptic number.

535957232281 is the 732091-st square number.

535957232281 is the 366046-th centered octagonal number.

It is an amenable number.

535957232281 is a deficient number, since it is larger than the sum of its proper divisors (3551183750).

535957232281 is an frugal number, since it uses more digits than its factorization.

535957232281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640 (or 4820 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 52.

The spelling of 535957232281 in words is "five hundred thirty-five billion, nine hundred fifty-seven million, two hundred thirty-two thousand, two hundred eighty-one".