535001621 has 12 divisors (see below), whose sum is σ = 672069216. Its totient is φ = 416883720.

The previous prime is 535001617. The next prime is 535001629. The reversal of 535001621 is 126100535.

It is not a de Polignac number, because 535001621 - 2² = 535001617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535001629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314975 + ... + 316668.

It is an arithmetic number, because the mean of its divisors is an integer number (56005768).

Almost surely, 2^535001621 is an apocalyptic number.

It is an amenable number.

535001621 is a deficient number, since it is larger than the sum of its proper divisors (137067595).

535001621 is a wasteful number, since it uses less digits than its factorization.

535001621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631672 (or 631661 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 535001621 is about 23130.1020533849. The cubic root of 535001621 is about 811.8049578260.

The spelling of 535001621 in words is "five hundred thirty-five million, one thousand, six hundred twenty-one".