1550103133 has 2 divisors, whose sum is σ = 1550103134. Its totient is φ = 1550103132.

The previous prime is 1550103127. The next prime is 1550103143. The reversal of 1550103133 is 3313010551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781593849 + 768509284 = 27957^2 + 27722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1550103133 - 2¹³ = 1550094941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1550103143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775051566 + 775051567.

It is an arithmetic number, because the mean of its divisors is an integer number (775051567).

Almost surely, 2^1550103133 is an apocalyptic number.

It is an amenable number.

1550103133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550103133 is an equidigital number, since it uses as much as digits as its factorization.

1550103133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 1550103133 is about 39371.3491386821. The cubic root of 1550103133 is about 1157.3201944908.

Adding to 1550103133 its reverse (3313010551), we get a palindrome (4863113684).

The spelling of 1550103133 in words is "one billion, five hundred fifty million, one hundred three thousand, one hundred thirty-three".