1533952481 has 2 divisors, whose sum is σ = 1533952482. Its totient is φ = 1533952480.

The previous prime is 1533952457. The next prime is 1533952499. The reversal of 1533952481 is 1842593351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1156000000 + 377952481 = 34000^2 + 19441^2 .

It is an emirp because it is prime and its reverse (1842593351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1533952481 - 2⁶ = 1533952417 is a prime.

It is a super-2 number, since 2×1533952481² = 4706020427932110722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1533952451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766976240 + 766976241.

It is an arithmetic number, because the mean of its divisors is an integer number (766976241).

Almost surely, 2^1533952481 is an apocalyptic number.

It is an amenable number.

1533952481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1533952481 is an equidigital number, since it uses as much as digits as its factorization.

1533952481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 1533952481 is about 39165.7054194100. The cubic root of 1533952481 is about 1153.2867488637.

The spelling of 1533952481 in words is "one billion, five hundred thirty-three million, nine hundred fifty-two thousand, four hundred eighty-one".