2503632 has 40 divisors (see below), whose sum is σ = 6623584. Its totient is φ = 814464.

The previous prime is 2503597. The next prime is 2503637. The reversal of 2503632 is 2363052.

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 = 2503599 and 2503608.

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, 1458 + ... + 2670.

2^2503632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2503632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311792).

2503632 is an abundant number, since it is smaller than the sum of its proper divisors (4119952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2503632 is a wasteful number, since it uses less digits than its factorization.

2503632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2503632 is about 1582.2869524837. The cubic root of 2503632 is about 135.7865741255.

Adding to 2503632 its reverse (2363052), we get a palindrome (4866684).

The spelling of 2503632 in words is "two million, five hundred three thousand, six hundred thirty-two".