534921631 has 4 divisors (see below), whose sum is σ = 537910200. Its totient is φ = 531933064.

The previous prime is 534921619. The next prime is 534921659. The reversal of 534921631 is 136129435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 534921631 - 2¹⁷ = 534790559 is a prime.

It is a super-2 number, since 2×534921631² = 572282302623400322, 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 (534921661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494016 + ... + 1494373.

It is an arithmetic number, because the mean of its divisors is an integer number (134477550).

Almost surely, 2^534921631 is an apocalyptic number.

534921631 is a deficient number, since it is larger than the sum of its proper divisors (2988569).

534921631 is a wasteful number, since it uses less digits than its factorization.

534921631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988568.

The product of its digits is 19440, while the sum is 34.

The square root of 534921631 is about 23128.3728567316. The cubic root of 534921631 is about 811.7644971915.

The spelling of 534921631 in words is "five hundred thirty-four million, nine hundred twenty-one thousand, six hundred thirty-one".