2662505 has 4 divisors (see below), whose sum is σ = 3195012. Its totient is φ = 2130000.

The previous prime is 2662501. The next prime is 2662507. The reversal of 2662505 is 5052662.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 1893376 = 877^2 + 1376^2 .

It is not a de Polignac number, because 2662505 - 2² = 2662501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662501) 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, 266246 + ... + 266255.

It is an arithmetic number, because the mean of its divisors is an integer number (798753).

2^2662505 is an apocalyptic number.

It is an amenable number.

2662505 is a deficient number, since it is larger than the sum of its proper divisors (532507).

2662505 is an equidigital number, since it uses as much as digits as its factorization.

2662505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532506.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2662505 is about 1631.7184193359. The cubic root of 2662505 is about 138.6000788479.

The spelling of 2662505 in words is "two million, six hundred sixty-two thousand, five hundred five".