535535421 has 8 divisors (see below), whose sum is σ = 720598560. Its totient is φ = 353747952.

The previous prime is 535535417. The next prime is 535535443. The reversal of 535535421 is 124535535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 535535421 - 2² = 535535417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535535401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818535 + ... + 819188.

It is an arithmetic number, because the mean of its divisors is an integer number (90074820).

Almost surely, 2^535535421 is an apocalyptic number.

It is an amenable number.

535535421 is a deficient number, since it is larger than the sum of its proper divisors (185063139).

535535421 is a wasteful number, since it uses less digits than its factorization.

535535421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637835.

The product of its digits is 45000, while the sum is 33.

The square root of 535535421 is about 23141.6382522932. The cubic root of 535535421 is about 812.0748619575.

The spelling of 535535421 in words is "five hundred thirty-five million, five hundred thirty-five thousand, four hundred twenty-one".