1522412065 has 4 divisors (see below), whose sum is σ = 1826894484. Its totient is φ = 1217929648.

The previous prime is 1522412063. The next prime is 1522412071. The reversal of 1522412065 is 5602142251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5602142251 = 29 ⋅193177319.

It can be written as a sum of positive squares in 2 ways, for example, as 302446881 + 1219965184 = 17391^2 + 34928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522412065 - 2¹ = 1522412063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1522412063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152241202 + ... + 152241211.

It is an arithmetic number, because the mean of its divisors is an integer number (456723621).

Almost surely, 2^1522412065 is an apocalyptic number.

It is an amenable number.

1522412065 is a deficient number, since it is larger than the sum of its proper divisors (304482419).

1522412065 is an equidigital number, since it uses as much as digits as its factorization.

1522412065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304482418.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1522412065 is about 39018.0991976800. The cubic root of 1522412065 is about 1150.3872835492.

The spelling of 1522412065 in words is "one billion, five hundred twenty-two million, four hundred twelve thousand, sixty-five".