535213540 has 24 divisors (see below), whose sum is σ = 1129662072. Its totient is φ = 212997120.

The previous prime is 535213537. The next prime is 535213541. The reversal of 535213540 is 45312535.

It can be written as a sum of positive squares in 4 ways, for example, as 286015744 + 249197796 = 16912^2 + 15786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 535213499 and 535213508.

It is not an unprimeable number, because it can be changed into a prime (535213541) 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 7 ways as a sum of consecutive naturals, for example, 63981 + ... + 71860.

It is an arithmetic number, because the mean of its divisors is an integer number (47069253).

Almost surely, 2^535213540 is an apocalyptic number.

It is an amenable number.

535213540 is an abundant number, since it is smaller than the sum of its proper divisors (594448532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

535213540 is a wasteful number, since it uses less digits than its factorization.

535213540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136047 (or 136045 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 535213540 is about 23134.6826215533. The cubic root of 535213540 is about 811.9121314481.

The spelling of 535213540 in words is "five hundred thirty-five million, two hundred thirteen thousand, five hundred forty".