1352367521 has 2 divisors, whose sum is σ = 1352367522. Its totient is φ = 1352367520.

The previous prime is 1352367473. The next prime is 1352367539. The reversal of 1352367521 is 1257632531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909685921 + 442681600 = 30161^2 + 21040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352367521 - 2²² = 1348173217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1352367551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676183760 + 676183761.

It is an arithmetic number, because the mean of its divisors is an integer number (676183761).

Almost surely, 2^1352367521 is an apocalyptic number.

It is an amenable number.

1352367521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352367521 is an equidigital number, since it uses as much as digits as its factorization.

1352367521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 1352367521 is about 36774.5499088704. The cubic root of 1352367521 is about 1105.8551479803.

The spelling of 1352367521 in words is "one billion, three hundred fifty-two million, three hundred sixty-seven thousand, five hundred twenty-one".