1005413051 has 4 divisors (see below), whose sum is σ = 1015778232. Its totient is φ = 995047872.

The previous prime is 1005413047. The next prime is 1005413069. The reversal of 1005413051 is 1503145001.

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

It is a cyclic number.

It is not a de Polignac number, because 1005413051 - 2² = 1005413047 is a prime.

It is a super-2 number, since 2×1005413051² = 2021710806242257202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005413951) 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, 5182445 + ... + 5182638.

It is an arithmetic number, because the mean of its divisors is an integer number (253944558).

Almost surely, 2^1005413051 is an apocalyptic number.

1005413051 is a deficient number, since it is larger than the sum of its proper divisors (10365181).

1005413051 is an equidigital number, since it uses as much as digits as its factorization.

1005413051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365180.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1005413051 is about 31708.2489425071. The cubic root of 1005413051 is about 1001.8011044087.

Adding to 1005413051 its reverse (1503145001), we get a palindrome (2508558052).

The spelling of 1005413051 in words is "one billion, five million, four hundred thirteen thousand, fifty-one".