2523602 has 4 divisors (see below), whose sum is σ = 3785406. Its totient is φ = 1261800.

The previous prime is 2523593. The next prime is 2523641. The reversal of 2523602 is 2063252.

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 only one way, i.e., 2337841 + 185761 = 1529^2 + 431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630899 + ... + 630902.

2^2523602 is an apocalyptic number.

2523602 is a deficient number, since it is larger than the sum of its proper divisors (1261804).

2523602 is a wasteful number, since it uses less digits than its factorization.

2523602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261803.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2523602 is about 1588.5849048760. The cubic root of 2523602 is about 136.1466483295.

Adding to 2523602 its reverse (2063252), we get a palindrome (4586854).

It can be divided in two parts, 2523 and 602, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2523602 in words is "two million, five hundred twenty-three thousand, six hundred two".