2504945 has 8 divisors (see below), whose sum is σ = 3020544. Its totient is φ = 1994224.

The previous prime is 2504927. The next prime is 2504969. The reversal of 2504945 is 5494052.

It is a happy number.

2504945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2504945 - 2⁶ = 2504881 is a prime.

It is a Duffinian number.

It is a Curzon 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, 32 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (377568).

2^2504945 is an apocalyptic number.

It is an amenable number.

2504945 is a deficient number, since it is larger than the sum of its proper divisors (515599).

2504945 is a wasteful number, since it uses less digits than its factorization.

2504945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2504945 is about 1582.7018038784. The cubic root of 2504945 is about 135.8103071946.

Adding to 2504945 its reverse (5494052), we get a palindrome (7998997).

The spelling of 2504945 in words is "two million, five hundred four thousand, nine hundred forty-five".