2725863 has 8 divisors (see below), whose sum is σ = 4153728. Its totient is φ = 1557624.

The previous prime is 2725847. The next prime is 2725871. The reversal of 2725863 is 3685272.

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

It is not a de Polignac number, because 2725863 - 2⁴ = 2725847 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹³ + 7⁵ + 2¹⁹ + 5⁷ + 8⁷ + 6⁴ + 3 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725823) 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, 64881 + ... + 64922.

It is an arithmetic number, because the mean of its divisors is an integer number (519216).

2^2725863 is an apocalyptic number.

2725863 is a deficient number, since it is larger than the sum of its proper divisors (1427865).

2725863 is a wasteful number, since it uses less digits than its factorization.

2725863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129813.

The product of its digits is 20160, while the sum is 33.

The square root of 2725863 is about 1651.0187763923. The cubic root of 2725863 is about 139.6908655206.

The spelling of 2725863 in words is "two million, seven hundred twenty-five thousand, eight hundred sixty-three".