1000551049 has 2 divisors, whose sum is σ = 1000551050. Its totient is φ = 1000551048.

The previous prime is 1000550977. The next prime is 1000551089. The reversal of 1000551049 is 9401550001.

1000551049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 617174649 + 383376400 = 24843^2 + 19580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000551049 - 2¹³ = 1000542857 is a prime.

It is a super-2 number, since 2×1000551049² = 2002204803310000802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000551089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500275524 + 500275525.

It is an arithmetic number, because the mean of its divisors is an integer number (500275525).

Almost surely, 2^1000551049 is an apocalyptic number.

It is an amenable number.

1000551049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000551049 is an equidigital number, since it uses as much as digits as its factorization.

1000551049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1000551049 is about 31631.4882514244. The cubic root of 1000551049 is about 1000.1836492709.

It can be divided in two parts, 1000 and 551049, that added together give a square (552049 = 743²).

The spelling of 1000551049 in words is "one billion, five hundred fifty-one thousand, forty-nine".