1152052465 has 4 divisors (see below), whose sum is σ = 1382462964. Its totient is φ = 921641968.

The previous prime is 1152052439. The next prime is 1152052519. The reversal of 1152052465 is 5642502511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5642502511 = 1223 ⋅4613657.

It can be written as a sum of positive squares in 2 ways, for example, as 909565281 + 242487184 = 30159^2 + 15572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152052465 - 2¹⁵ = 1152019697 is a prime.

It is a super-2 number, since 2×1152052465² = 2654449764225152450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115205242 + ... + 115205251.

It is an arithmetic number, because the mean of its divisors is an integer number (345615741).

Almost surely, 2^1152052465 is an apocalyptic number.

It is an amenable number.

1152052465 is a deficient number, since it is larger than the sum of its proper divisors (230410499).

1152052465 is an equidigital number, since it uses as much as digits as its factorization.

1152052465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230410498.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1152052465 is about 33941.8983705980. The cubic root of 1152052465 is about 1048.3124714694.

Adding to 1152052465 its reverse (5642502511), we get a palindrome (6794554976).

The spelling of 1152052465 in words is "one billion, one hundred fifty-two million, fifty-two thousand, four hundred sixty-five".