2725590817 has 4 divisors (see below), whose sum is σ = 2725702020. Its totient is φ = 2725479616.

The previous prime is 2725590809. The next prime is 2725590821. The reversal of 2725590817 is 7180955272.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1096338321 + 1629252496 = 33111^2 + 40364^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725590817 - 2³ = 2725590809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2725590877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892 + ... + 73837.

It is an arithmetic number, because the mean of its divisors is an integer number (681425505).

Almost surely, 2^2725590817 is an apocalyptic number.

It is an amenable number.

2725590817 is a deficient number, since it is larger than the sum of its proper divisors (111203).

2725590817 is an equidigital number, since it uses as much as digits as its factorization.

2725590817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111202.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 2725590817 is about 52207.1912383725. The cubic root of 2725590817 is about 1396.8621589285.

The spelling of 2725590817 in words is "two billion, seven hundred twenty-five million, five hundred ninety thousand, eight hundred seventeen".