1054491613 has 12 divisors (see below), whose sum is σ = 1227196092. Its totient is φ = 903450240.

The previous prime is 1054491569. The next prime is 1054491617. The reversal of 1054491613 is 3161944501.

It can be written as a sum of positive squares in 2 ways, for example, as 492706809 + 561784804 = 22197^2 + 23702^2 .

It is not a de Polignac number, because 1054491613 - 2¹³ = 1054483421 is a prime.

It is a super-2 number, since 2×1054491613² = 2223905123774683538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054491617) 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 11 ways as a sum of consecutive naturals, for example, 178243 + ... + 184063.

It is an arithmetic number, because the mean of its divisors is an integer number (102266341).

Almost surely, 2^1054491613 is an apocalyptic number.

It is an amenable number.

1054491613 is a deficient number, since it is larger than the sum of its proper divisors (172704479).

1054491613 is an equidigital number, since it uses as much as digits as its factorization.

1054491613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532 (or 9525 counting only the distinct ones).

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

The square root of 1054491613 is about 32472.9366242106. The cubic root of 1054491613 is about 1017.8435837584.

The spelling of 1054491613 in words is "one billion, fifty-four million, four hundred ninety-one thousand, six hundred thirteen".