1254532065 has 16 divisors (see below), whose sum is σ = 2007800448. Its totient is φ = 668900736.

The previous prime is 1254532043. The next prime is 1254532151. The reversal of 1254532065 is 5602354521.

It is not a de Polignac number, because 1254532065 - 2¹⁵ = 1254499297 is a prime.

It is a super-3 number, since 3×1254532065³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59349 + ... + 77661.

It is an arithmetic number, because the mean of its divisors is an integer number (125487528).

Almost surely, 2^1254532065 is an apocalyptic number.

1254532065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254532065 is a deficient number, since it is larger than the sum of its proper divisors (753268383).

1254532065 is a wasteful number, since it uses less digits than its factorization.

1254532065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22888.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1254532065 is about 35419.3741474917. The cubic root of 1254532065 is about 1078.5176465400.

Adding to 1254532065 its reverse (5602354521), we get a palindrome (6856886586).

The spelling of 1254532065 in words is "one billion, two hundred fifty-four million, five hundred thirty-two thousand, sixty-five".