3012055491 has 4 divisors (see below), whose sum is σ = 4016073992. Its totient is φ = 2008036992.

The previous prime is 3012055481. The next prime is 3012055493. The reversal of 3012055491 is 1945502103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1945502103 = 3 ⋅648500701.

It is not a de Polignac number, because 3012055491 - 2⁷ = 3012055363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3012055493) 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, 502009246 + ... + 502009251.

It is an arithmetic number, because the mean of its divisors is an integer number (1004018498).

Almost surely, 2^3012055491 is an apocalyptic number.

3012055491 is a deficient number, since it is larger than the sum of its proper divisors (1004018501).

3012055491 is a wasteful number, since it uses less digits than its factorization.

3012055491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004018500.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3012055491 is about 54882.1964848347. The cubic root of 3012055491 is about 1444.1788801591.

Adding to 3012055491 its reverse (1945502103), we get a palindrome (4957557594).

The spelling of 3012055491 in words is "three billion, twelve million, fifty-five thousand, four hundred ninety-one".