1252632165 has 16 divisors (see below), whose sum is σ = 2122106688. Its totient is φ = 628772096.

The previous prime is 1252632163. The next prime is 1252632167. The reversal of 1252632165 is 5612362521.

It is an interprime number because it is at equal distance from previous prime (1252632163) and next prime (1252632167).

It is a cyclic number.

It is not a de Polignac number, because 1252632165 - 2¹ = 1252632163 is a prime.

It is a super-3 number, since 3×1252632165³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252632163) 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, 2455887 + ... + 2456396.

It is an arithmetic number, because the mean of its divisors is an integer number (132631668).

Almost surely, 2^1252632165 is an apocalyptic number.

1252632165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252632165 is a deficient number, since it is larger than the sum of its proper divisors (869474523).

1252632165 is a wasteful number, since it uses less digits than its factorization.

1252632165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912308.

The product of its digits is 21600, while the sum is 33.

The square root of 1252632165 is about 35392.5439181758. The cubic root of 1252632165 is about 1077.9729252588.

Adding to 1252632165 its reverse (5612362521), we get a palindrome (6864994686).

The spelling of 1252632165 in words is "one billion, two hundred fifty-two million, six hundred thirty-two thousand, one hundred sixty-five".