1000554505 has 8 divisors (see below), whose sum is σ = 1203239232. Its totient is φ = 798727728.

The previous prime is 1000554449. The next prime is 1000554517. The reversal of 1000554505 is 5054550001.

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 1000554505 - 2⁹ = 1000553993 is a prime.

It is a super-2 number, since 2×1000554505² = 2002218634951590050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000554505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211917 + ... + 216586.

It is an arithmetic number, because the mean of its divisors is an integer number (150404904).

Almost surely, 2^1000554505 is an apocalyptic number.

It is an amenable number.

1000554505 is a deficient number, since it is larger than the sum of its proper divisors (202684727).

1000554505 is an equidigital number, since it uses as much as digits as its factorization.

1000554505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428975.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 1000554505 is about 31631.5428804856. The cubic root of 1000554505 is about 1000.1848008465.

The spelling of 1000554505 in words is "one billion, five hundred fifty-four thousand, five hundred five".