2613231461 has 4 divisors (see below), whose sum is σ = 2614012800. Its totient is φ = 2612450124.

The previous prime is 2613231451. The next prime is 2613231463. The reversal of 2613231461 is 1641323162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1641323162 = 2 ⋅820661581.

It is a cyclic number.

It is not a de Polignac number, because 2613231461 - 2¹⁰ = 2613230437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613231463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385631 + ... + 392348.

It is an arithmetic number, because the mean of its divisors is an integer number (653503200).

Almost surely, 2^2613231461 is an apocalyptic number.

It is an amenable number.

2613231461 is a deficient number, since it is larger than the sum of its proper divisors (781339).

2613231461 is an equidigital number, since it uses as much as digits as its factorization.

2613231461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781338.

The product of its digits is 5184, while the sum is 29.

The square root of 2613231461 is about 51119.7756352666. The cubic root of 2613231461 is about 1377.3975072704.

The spelling of 2613231461 in words is "two billion, six hundred thirteen million, two hundred thirty-one thousand, four hundred sixty-one".