2725258 has 4 divisors (see below), whose sum is σ = 4087890. Its totient is φ = 1362628.

The previous prime is 2725237. The next prime is 2725259. The reversal of 2725258 is 8525272.

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

It can be written as a sum of positive squares in only one way, i.e., 2211169 + 514089 = 1487^2 + 717^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2725259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681313 + ... + 681316.

2^2725258 is an apocalyptic number.

2725258 is a deficient number, since it is larger than the sum of its proper divisors (1362632).

2725258 is a wasteful number, since it uses less digits than its factorization.

2725258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362631.

The product of its digits is 11200, while the sum is 31.

The square root of 2725258 is about 1650.8355460190. The cubic root of 2725258 is about 139.6805300504.

The spelling of 2725258 in words is "two million, seven hundred twenty-five thousand, two hundred fifty-eight".