545610631 has 8 divisors (see below), whose sum is σ = 608111280. Its totient is φ = 486488448.

The previous prime is 545610613. The next prime is 545610649. The reversal of 545610631 is 136016545.

It is an interprime number because it is at equal distance from previous prime (545610613) and next prime (545610649).

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

It is a cyclic number.

It is not a de Polignac number, because 545610631 - 2⁹ = 545610119 is a prime.

It is a super-2 number, since 2×545610631² = 595381921320436322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545610593 and 545610602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545610731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844276 + ... + 844921.

It is an arithmetic number, because the mean of its divisors is an integer number (76013910).

Almost surely, 2^545610631 is an apocalyptic number.

545610631 is a deficient number, since it is larger than the sum of its proper divisors (62500649).

545610631 is a wasteful number, since it uses less digits than its factorization.

545610631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689233.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 545610631 is about 23358.3096777143. The cubic root of 545610631 is about 817.1358687815.

The spelling of 545610631 in words is "five hundred forty-five million, six hundred ten thousand, six hundred thirty-one".