2504245 has 8 divisors (see below), whose sum is σ = 3015000. Its totient is φ = 1996800.

The previous prime is 2504213. The next prime is 2504251. The reversal of 2504245 is 5424052.

2504245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 842724 + 1661521 = 918^2 + 1289^2 .

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

It is not a de Polignac number, because 2504245 - 2⁵ = 2504213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (376875).

2^2504245 is an apocalyptic number.

It is an amenable number.

2504245 is a deficient number, since it is larger than the sum of its proper divisors (510755).

2504245 is a wasteful number, since it uses less digits than its factorization.

2504245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2504245 is about 1582.4806475910. The cubic root of 2504245 is about 135.7976554103.

Adding to 2504245 its reverse (5424052), we get a palindrome (7928297).

The spelling of 2504245 in words is "two million, five hundred four thousand, two hundred forty-five".