1535040253 has 2 divisors, whose sum is σ = 1535040254. Its totient is φ = 1535040252.

The previous prime is 1535040239. The next prime is 1535040259. The reversal of 1535040253 is 3520405351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230816889 + 304223364 = 35083^2 + 17442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1535040253 - 2²¹ = 1532943101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1535040259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767520126 + 767520127.

It is an arithmetic number, because the mean of its divisors is an integer number (767520127).

Almost surely, 2^1535040253 is an apocalyptic number.

It is an amenable number.

1535040253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1535040253 is an equidigital number, since it uses as much as digits as its factorization.

1535040253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1535040253 is about 39179.5897502769. The cubic root of 1535040253 is about 1153.5592945973.

The spelling of 1535040253 in words is "one billion, five hundred thirty-five million, forty thousand, two hundred fifty-three".