2725650331 has 4 divisors (see below), whose sum is σ = 2789037592. Its totient is φ = 2662263072.

The previous prime is 2725650329. The next prime is 2725650349. The reversal of 2725650331 is 1330565272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2725650331 - 2¹ = 2725650329 is a prime.

It is a super-2 number, since 2×2725650331² = 14858339453760819122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2725650371) 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, 31693566 + ... + 31693651.

It is an arithmetic number, because the mean of its divisors is an integer number (697259398).

Almost surely, 2^2725650331 is an apocalyptic number.

2725650331 is a deficient number, since it is larger than the sum of its proper divisors (63387261).

2725650331 is an equidigital number, since it uses as much as digits as its factorization.

2725650331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63387260.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2725650331 is about 52207.7612142103. The cubic root of 2725650331 is about 1396.8723258067.

The spelling of 2725650331 in words is "two billion, seven hundred twenty-five million, six hundred fifty thousand, three hundred thirty-one".