1452651265 has 16 divisors (see below), whose sum is σ = 1928012688. Its totient is φ = 1043732736.

The previous prime is 1452651247. The next prime is 1452651269. The reversal of 1452651265 is 5621562541.

It can be written as a sum of positive squares in 8 ways, for example, as 239104369 + 1213546896 = 15463^2 + 34836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452651265 - 2⁹ = 1452650753 is a prime.

It is a super-2 number, since 2×1452651265² = 4220391395412200450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452651269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299602 + ... + 304411.

It is an arithmetic number, because the mean of its divisors is an integer number (120500793).

Almost surely, 2^1452651265 is an apocalyptic number.

It is an amenable number.

1452651265 is a deficient number, since it is larger than the sum of its proper divisors (475361423).

1452651265 is a wasteful number, since it uses less digits than its factorization.

1452651265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604068.

The product of its digits is 72000, while the sum is 37.

The square root of 1452651265 is about 38113.6624453751. The cubic root of 1452651265 is about 1132.5406236291.

The spelling of 1452651265 in words is "one billion, four hundred fifty-two million, six hundred fifty-one thousand, two hundred sixty-five".