1295025165 has 60 divisors (see below), whose sum is σ = 2700506556. Its totient is φ = 592002432.

The previous prime is 1295025157. The next prime is 1295025191. The reversal of 1295025165 is 5615205921.

It can be written as a sum of positive squares in 2 ways, for example, as 306740196 + 988284969 = 17514^2 + 31437^2 .

It is not a de Polignac number, because 1295025165 - 2³ = 1295025157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12784 + ... + 52473.

Almost surely, 2^1295025165 is an apocalyptic number.

1295025165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1295025165 is an abundant number, since it is smaller than the sum of its proper divisors (1405481391).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1295025165 is an equidigital number, since it uses as much as digits as its factorization.

1295025165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65288 (or 65272 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1295025165 is about 35986.4580780048. The cubic root of 1295025165 is about 1089.9989240513.

The spelling of 1295025165 in words is "one billion, two hundred ninety-five million, twenty-five thousand, one hundred sixty-five".