1006428613 has 4 divisors (see below), whose sum is σ = 1059398560. Its totient is φ = 953458668.

The previous prime is 1006428593. The next prime is 1006428623. The reversal of 1006428613 is 3168246001.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006428613 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 (1006428623) 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, 26484945 + ... + 26484982.

It is an arithmetic number, because the mean of its divisors is an integer number (264849640).

Almost surely, 2^1006428613 is an apocalyptic number.

It is an amenable number.

1006428613 is a deficient number, since it is larger than the sum of its proper divisors (52969947).

1006428613 is an equidigital number, since it uses as much as digits as its factorization.

1006428613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52969946.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1006428613 is about 31724.2590614816. The cubic root of 1006428613 is about 1002.1382954337.

The spelling of 1006428613 in words is "one billion, six million, four hundred twenty-eight thousand, six hundred thirteen".