535063521 has 4 divisors (see below), whose sum is σ = 713418032. Its totient is φ = 356709012.

The previous prime is 535063511. The next prime is 535063531. The reversal of 535063521 is 125360535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (535063511) and next prime (535063531).

It is not a de Polignac number, because 535063521 - 2¹⁵ = 535030753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535063511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89177251 + ... + 89177256.

It is an arithmetic number, because the mean of its divisors is an integer number (178354508).

Almost surely, 2^535063521 is an apocalyptic number.

It is an amenable number.

535063521 is a deficient number, since it is larger than the sum of its proper divisors (178354511).

535063521 is a wasteful number, since it uses less digits than its factorization.

535063521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178354510.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 535063521 is about 23131.4400978409. The cubic root of 535063521 is about 811.8362653878.

The spelling of 535063521 in words is "five hundred thirty-five million, sixty-three thousand, five hundred twenty-one".