2523204644 has 6 divisors (see below), whose sum is σ = 4415608134. Its totient is φ = 1261602320.

The previous prime is 2523204641. The next prime is 2523204647. The reversal of 2523204644 is 4464023252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2523204641) and next prime (2523204647).

It can be written as a sum of positive squares in only one way, i.e., 2351280100 + 171924544 = 48490^2 + 13112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2523204644.

It is not an unprimeable number, because it can be changed into a prime (2523204641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315400577 + ... + 315400584.

It is an arithmetic number, because the mean of its divisors is an integer number (735934689).

Almost surely, 2^2523204644 is an apocalyptic number.

It is an amenable number.

2523204644 is a deficient number, since it is larger than the sum of its proper divisors (1892403490).

2523204644 is a wasteful number, since it uses less digits than its factorization.

2523204644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630801165 (or 630801163 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2523204644 is about 50231.5104690273. The cubic root of 2523204644 is about 1361.3950225718.

Adding to 2523204644 its reverse (4464023252), we get a palindrome (6987227896).

The spelling of 2523204644 in words is "two billion, five hundred twenty-three million, two hundred four thousand, six hundred forty-four".