1005045501 has 8 divisors (see below), whose sum is σ = 1341161280. Its totient is φ = 669480032.

The previous prime is 1005045487. The next prime is 1005045511. The reversal of 1005045501 is 1055405001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005045501 - 2¹³ = 1005037309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005045511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133296 + ... + 140633.

It is an arithmetic number, because the mean of its divisors is an integer number (167645160).

Almost surely, 2^1005045501 is an apocalyptic number.

It is an amenable number.

1005045501 is a deficient number, since it is larger than the sum of its proper divisors (336115779).

1005045501 is a wasteful number, since it uses less digits than its factorization.

1005045501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275155.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1005045501 is about 31702.4526022830. The cubic root of 1005045501 is about 1001.6790130042.

The spelling of 1005045501 in words is "one billion, five million, forty-five thousand, five hundred one".