535995631 has 4 divisors (see below), whose sum is σ = 538990200. Its totient is φ = 533001064.

The previous prime is 535995613. The next prime is 535995637. The reversal of 535995631 is 136599535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136599535 = 5 ⋅27319907.

It is a cyclic number.

It is not a de Polignac number, because 535995631 - 2²³ = 527607023 is a prime.

It is a super-2 number, since 2×535995631² = 574582632902176322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535995637) 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, 1497016 + ... + 1497373.

It is an arithmetic number, because the mean of its divisors is an integer number (134747550).

Almost surely, 2^535995631 is an apocalyptic number.

535995631 is a deficient number, since it is larger than the sum of its proper divisors (2994569).

535995631 is a wasteful number, since it uses less digits than its factorization.

535995631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994568.

The product of its digits is 546750, while the sum is 46.

The square root of 535995631 is about 23151.5794493594. The cubic root of 535995631 is about 812.3074130056.

It can be divided in two parts, 535 and 995631, that added together give a triangular number (996166 = T₁₄₁₁).

The spelling of 535995631 in words is "five hundred thirty-five million, nine hundred ninety-five thousand, six hundred thirty-one".