549461131 has 16 divisors (see below), whose sum is σ = 597336768. Its totient is φ = 503372800.

The previous prime is 549461093. The next prime is 549461141. The reversal of 549461131 is 131164945.

It is a cyclic number.

It is not a de Polignac number, because 549461131 - 2²³ = 541072523 is a prime.

It is a super-2 number, since 2×549461131² = 603815068959598322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549461141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517341 + ... + 518401.

It is an arithmetic number, because the mean of its divisors is an integer number (37333548).

Almost surely, 2^549461131 is an apocalyptic number.

549461131 is a deficient number, since it is larger than the sum of its proper divisors (47875637).

549461131 is a wasteful number, since it uses less digits than its factorization.

549461131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862.

The product of its digits is 12960, while the sum is 34.

The square root of 549461131 is about 23440.5872580019. The cubic root of 549461131 is about 819.0536032656.

The spelling of 549461131 in words is "five hundred forty-nine million, four hundred sixty-one thousand, one hundred thirty-one".