1532557253 has 2 divisors, whose sum is σ = 1532557254. Its totient is φ = 1532557252.

The previous prime is 1532557211. The next prime is 1532557277. The reversal of 1532557253 is 3527552351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522716484 + 9840769 = 39022^2 + 3137^2 .

It is an emirp because it is prime and its reverse (3527552351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1532557253 - 2²⁶ = 1465448389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1532557283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766278626 + 766278627.

It is an arithmetic number, because the mean of its divisors is an integer number (766278627).

Almost surely, 2^1532557253 is an apocalyptic number.

It is an amenable number.

1532557253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532557253 is an equidigital number, since it uses as much as digits as its factorization.

1532557253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157500, while the sum is 38.

The square root of 1532557253 is about 39147.8895088867. The cubic root of 1532557253 is about 1152.9369800823.

The spelling of 1532557253 in words is "one billion, five hundred thirty-two million, five hundred fifty-seven thousand, two hundred fifty-three".