1054661413 has 4 divisors (see below), whose sum is σ = 1135789228. Its totient is φ = 973533600.

The previous prime is 1054661407. The next prime is 1054661417. The reversal of 1054661413 is 3141664501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55026724 + 999634689 = 7418^2 + 31617^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1054661413 is a prime.

It is a super-3 number, since 3×1054661413³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054661417) 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, 40563888 + ... + 40563913.

It is an arithmetic number, because the mean of its divisors is an integer number (283947307).

Almost surely, 2^1054661413 is an apocalyptic number.

1054661413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1054661413 is a deficient number, since it is larger than the sum of its proper divisors (81127815).

1054661413 is an equidigital number, since it uses as much as digits as its factorization.

1054661413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81127814.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1054661413 is about 32475.5510037936. The cubic root of 1054661413 is about 1017.8982137376.

The spelling of 1054661413 in words is "one billion, fifty-four million, six hundred sixty-one thousand, four hundred thirteen".