1632232565 has 4 divisors (see below), whose sum is σ = 1958679084. Its totient is φ = 1305786048.

The previous prime is 1632232531. The next prime is 1632232579. The reversal of 1632232565 is 5652322361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1209231076 + 423001489 = 34774^2 + 20567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632232565 - 2⁶ = 1632232501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 163223252 + ... + 163223261.

It is an arithmetic number, because the mean of its divisors is an integer number (489669771).

Almost surely, 2^1632232565 is an apocalyptic number.

It is an amenable number.

1632232565 is a deficient number, since it is larger than the sum of its proper divisors (326446519).

1632232565 is an equidigital number, since it uses as much as digits as its factorization.

1632232565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326446518.

The product of its digits is 64800, while the sum is 35.

The square root of 1632232565 is about 40400.8980717013. The cubic root of 1632232565 is about 1177.4089861932.

The spelling of 1632232565 in words is "one billion, six hundred thirty-two million, two hundred thirty-two thousand, five hundred sixty-five".