535545973 has 4 divisors (see below), whose sum is σ = 545650668. Its totient is φ = 525441280.

The previous prime is 535545953. The next prime is 535546001. The reversal of 535545973 is 379545535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379545535 = 5 ⋅75909107.

It can be written as a sum of positive squares in 2 ways, for example, as 377214084 + 158331889 = 19422^2 + 12583^2 .

It is a cyclic number.

It is not a de Polignac number, because 535545973 - 2²⁵ = 501991541 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 (535545953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052268 + ... + 5052373.

It is an arithmetic number, because the mean of its divisors is an integer number (136412667).

Almost surely, 2^535545973 is an apocalyptic number.

535545973 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

535545973 is a deficient number, since it is larger than the sum of its proper divisors (10104695).

535545973 is a wasteful number, since it uses less digits than its factorization.

535545973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104694.

The product of its digits is 1417500, while the sum is 46.

The square root of 535545973 is about 23141.8662384865. The cubic root of 535545973 is about 812.0801955341.

The spelling of 535545973 in words is "five hundred thirty-five million, five hundred forty-five thousand, nine hundred seventy-three".