2005141505 has 4 divisors (see below), whose sum is σ = 2406169812. Its totient is φ = 1604113200.

The previous prime is 2005141487. The next prime is 2005141507. The reversal of 2005141505 is 5051415002.

It is a happy number.

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 1323722689 + 681418816 = 36383^2 + 26104^2 .

It is not a de Polignac number, because 2005141505 - 2¹⁸ = 2004879361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005141507) 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, 200514146 + ... + 200514155.

It is an arithmetic number, because the mean of its divisors is an integer number (601542453).

Almost surely, 2^2005141505 is an apocalyptic number.

It is an amenable number.

2005141505 is a deficient number, since it is larger than the sum of its proper divisors (401028307).

2005141505 is an equidigital number, since it uses as much as digits as its factorization.

2005141505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401028306.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2005141505 is about 44778.8064267015. The cubic root of 2005141505 is about 1260.9997744406. Note that the first 3 decimals are identical.

Adding to 2005141505 its reverse (5051415002), we get a palindrome (7056556507).

The spelling of 2005141505 in words is "two billion, five million, one hundred forty-one thousand, five hundred five".