551194073 has 2 divisors, whose sum is σ = 551194074. Its totient is φ = 551194072.

The previous prime is 551194031. The next prime is 551194079. The reversal of 551194073 is 370491155.

551194073 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., 539958169 + 11235904 = 23237^2 + 3352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551194073 is a prime.

It is a super-2 number, since 2×551194073² = 607629812220658658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551194079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275597036 + 275597037.

It is an arithmetic number, because the mean of its divisors is an integer number (275597037).

Almost surely, 2^551194073 is an apocalyptic number.

It is an amenable number.

551194073 is a deficient number, since it is larger than the sum of its proper divisors (1).

551194073 is an equidigital number, since it uses as much as digits as its factorization.

551194073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 551194073 is about 23477.5227185493. The cubic root of 551194073 is about 819.9137689414.

The spelling of 551194073 in words is "five hundred fifty-one million, one hundred ninety-four thousand, seventy-three".