1000550951 has 2 divisors, whose sum is σ = 1000550952. Its totient is φ = 1000550950.

The previous prime is 1000550939. The next prime is 1000550977. The reversal of 1000550951 is 1590550001.

It is an a-pointer prime, because the next prime (1000550977) can be obtained adding 1000550951 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (1590550001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000550951 is a prime.

It is a super-2 number, since 2×1000550951² = 2002204411094008802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000550951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000556951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500275475 + 500275476.

It is an arithmetic number, because the mean of its divisors is an integer number (500275476).

Almost surely, 2^1000550951 is an apocalyptic number.

1000550951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000550951 is an equidigital number, since it uses as much as digits as its factorization.

1000550951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 1000550951 is about 31631.4867023351. The cubic root of 1000550951 is about 1000.1836166162.

The spelling of 1000550951 in words is "one billion, five hundred fifty thousand, nine hundred fifty-one".