1325555315 has 16 divisors (see below), whose sum is σ = 1847709120. Its totient is φ = 894049920.

The previous prime is 1325555293. The next prime is 1325555317. The reversal of 1325555315 is 5135555231.

It is not a de Polignac number, because 1325555315 - 2¹⁰ = 1325554291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1325555317) 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, 308300 + ... + 312569.

It is an arithmetic number, because the mean of its divisors is an integer number (115481820).

Almost surely, 2^1325555315 is an apocalyptic number.

1325555315 is a deficient number, since it is larger than the sum of its proper divisors (522153805).

1325555315 is an equidigital number, since it uses as much as digits as its factorization.

1325555315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620942.

The product of its digits is 56250, while the sum is 35.

The square root of 1325555315 is about 36408.1764855094. The cubic root of 1325555315 is about 1098.4980368983.

The spelling of 1325555315 in words is "one billion, three hundred twenty-five million, five hundred fifty-five thousand, three hundred fifteen".