1538523053 has 2 divisors, whose sum is σ = 1538523054. Its totient is φ = 1538523052.

The previous prime is 1538523037. The next prime is 1538523067. The reversal of 1538523053 is 3503258351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194531844 + 343991209 = 34562^2 + 18547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1538523053 - 2⁴ = 1538523037 is a prime.

It is a super-2 number, since 2×1538523053² = 4734106369224881618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538523013) 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, 769261526 + 769261527.

It is an arithmetic number, because the mean of its divisors is an integer number (769261527).

Almost surely, 2^1538523053 is an apocalyptic number.

It is an amenable number.

1538523053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538523053 is an equidigital number, since it uses as much as digits as its factorization.

1538523053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1538523053 is about 39224.0111793784. The cubic root of 1538523053 is about 1154.4310592845.

The spelling of 1538523053 in words is "one billion, five hundred thirty-eight million, five hundred twenty-three thousand, fifty-three".