1205150533 has 2 divisors, whose sum is σ = 1205150534. Its totient is φ = 1205150532.

The previous prime is 1205150501. The next prime is 1205150539. The reversal of 1205150533 is 3350515021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970509409 + 234641124 = 31153^2 + 15318^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205150533 - 2⁵ = 1205150501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205150498 and 1205150507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205150539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602575266 + 602575267.

It is an arithmetic number, because the mean of its divisors is an integer number (602575267).

Almost surely, 2^1205150533 is an apocalyptic number.

It is an amenable number.

1205150533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205150533 is an equidigital number, since it uses as much as digits as its factorization.

1205150533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1205150533 is about 34715.2780919295. The cubic root of 1205150533 is about 1064.1767486374.

Adding to 1205150533 its reverse (3350515021), we get a palindrome (4555665554).

The spelling of 1205150533 in words is "one billion, two hundred five million, one hundred fifty thousand, five hundred thirty-three".