1000550945 has 16 divisors (see below), whose sum is σ = 1265283072. Its totient is φ = 758049600.

The previous prime is 1000550939. The next prime is 1000550951. The reversal of 1000550945 is 5490550001.

It is an interprime number because it is at equal distance from previous prime (1000550939) and next prime (1000550951).

It is a de Polignac number, because none of the positive numbers 2^k-1000550945 is a prime.

It is a super-2 number, since 2×1000550945² = 2002204387080786050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31457 + ... + 54686.

It is an arithmetic number, because the mean of its divisors is an integer number (79080192).

Almost surely, 2^1000550945 is an apocalyptic number.

It is an amenable number.

1000550945 is a deficient number, since it is larger than the sum of its proper divisors (264732127).

1000550945 is a wasteful number, since it uses less digits than its factorization.

1000550945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86272.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1000550945 is about 31631.4866074929. The cubic root of 1000550945 is about 1000.1836146169.

The spelling of 1000550945 in words is "one billion, five hundred fifty thousand, nine hundred forty-five".