1521164053 has 2 divisors, whose sum is σ = 1521164054. Its totient is φ = 1521164052.

The previous prime is 1521164027. The next prime is 1521164069. The reversal of 1521164053 is 3504611251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1250824689 + 270339364 = 35367^2 + 16442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1521164053 - 2²⁵ = 1487609621 is a prime.

It is a super-2 number, since 2×1521164053² = 4627880152278773618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1521162053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760582026 + 760582027.

It is an arithmetic number, because the mean of its divisors is an integer number (760582027).

Almost surely, 2^1521164053 is an apocalyptic number.

It is an amenable number.

1521164053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521164053 is an equidigital number, since it uses as much as digits as its factorization.

1521164053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1521164053 is about 39002.1031868796. The cubic root of 1521164053 is about 1150.0728505834.

The spelling of 1521164053 in words is "one billion, five hundred twenty-one million, one hundred sixty-four thousand, fifty-three".