1325183865 has 8 divisors (see below), whose sum is σ = 2120294208. Its totient is φ = 706764720.

The previous prime is 1325183863. The next prime is 1325183879. The reversal of 1325183865 is 5683815231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325183865 - 2¹ = 1325183863 is a prime.

It is a super-2 number, since 2×1325183865² = 3512224552112676450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325183863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44172781 + ... + 44172810.

It is an arithmetic number, because the mean of its divisors is an integer number (265036776).

Almost surely, 2^1325183865 is an apocalyptic number.

1325183865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325183865 is a deficient number, since it is larger than the sum of its proper divisors (795110343).

1325183865 is an equidigital number, since it uses as much as digits as its factorization.

1325183865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88345599.

The product of its digits is 172800, while the sum is 42.

The square root of 1325183865 is about 36403.0749388015. The cubic root of 1325183865 is about 1098.3954194743.

The spelling of 1325183865 in words is "one billion, three hundred twenty-five million, one hundred eighty-three thousand, eight hundred sixty-five".