546641531 has 4 divisors (see below), whose sum is σ = 547179000. Its totient is φ = 546104064.

The previous prime is 546641519. The next prime is 546641581. The reversal of 546641531 is 135146645.

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 546641531 - 2⁶ = 546641467 is a prime.

It is a super-2 number, since 2×546641531² = 597633926828047922, 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 = 546641491 and 546641500.

It is not an unprimeable number, because it can be changed into a prime (546641581) 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, 267206 + ... + 269243.

It is an arithmetic number, because the mean of its divisors is an integer number (136794750).

Almost surely, 2^546641531 is an apocalyptic number.

546641531 is a deficient number, since it is larger than the sum of its proper divisors (537469).

546641531 is a wasteful number, since it uses less digits than its factorization.

546641531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537468.

The product of its digits is 43200, while the sum is 35.

The square root of 546641531 is about 23380.3663572665. The cubic root of 546641531 is about 817.6501887802.

The spelling of 546641531 in words is "five hundred forty-six million, six hundred forty-one thousand, five hundred thirty-one".