2503630 has 16 divisors (see below), whose sum is σ = 4744080. Its totient is φ = 948672.

The previous prime is 2503597. The next prime is 2503637. The reversal of 2503630 is 363052.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2503598 and 2503607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6399 + ... + 6778.

It is an arithmetic number, because the mean of its divisors is an integer number (296505).

2^2503630 is an apocalyptic number.

2503630 is a deficient number, since it is larger than the sum of its proper divisors (2240450).

2503630 is a wasteful number, since it uses less digits than its factorization.

2503630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 2503630 is about 1582.2863204869. The cubic root of 2503630 is about 135.7865379683.

Adding to 2503630 its reverse (363052), we get a palindrome (2866682).

The spelling of 2503630 in words is "two million, five hundred three thousand, six hundred thirty".