2506352165 has 8 divisors (see below), whose sum is σ = 3012069240. Its totient is φ = 2002117312.

The previous prime is 2506352161. The next prime is 2506352171. The reversal of 2506352165 is 5612536052.

2506352165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1294128676 + 1212223489 = 35974^2 + 34817^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2506352165 - 2² = 2506352161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506352161) 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, 366830 + ... + 373599.

It is an arithmetic number, because the mean of its divisors is an integer number (376508655).

Almost surely, 2^2506352165 is an apocalyptic number.

It is an amenable number.

2506352165 is a deficient number, since it is larger than the sum of its proper divisors (505717075).

2506352165 is an equidigital number, since it uses as much as digits as its factorization.

2506352165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741111.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2506352165 is about 50063.4813511805. The cubic root of 2506352165 is about 1358.3573313369.

The spelling of 2506352165 in words is "two billion, five hundred six million, three hundred fifty-two thousand, one hundred sixty-five".