535120521 has 32 divisors (see below), whose sum is σ = 787691520. Its totient is φ = 321082944.

The previous prime is 535120519. The next prime is 535120571. The reversal of 535120521 is 125021535.

It is a happy number.

It is not a de Polignac number, because 535120521 - 2¹ = 535120519 is a prime.

It is a super-2 number, since 2×535120521² = 572707943990622882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 535120491 and 535120500.

It is not an unprimeable number, because it can be changed into a prime (535120571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811690 + ... + 812348.

It is an arithmetic number, because the mean of its divisors is an integer number (24615360).

Almost surely, 2^535120521 is an apocalyptic number.

It is an amenable number.

535120521 is a deficient number, since it is larger than the sum of its proper divisors (252570999).

535120521 is a wasteful number, since it uses less digits than its factorization.

535120521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 535120521 is about 23132.6721543362. The cubic root of 535120521 is about 811.8650925097.

The spelling of 535120521 in words is "five hundred thirty-five million, one hundred twenty thousand, five hundred twenty-one".