2503215 has 48 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 1117440.

The previous prime is 2503213. The next prime is 2503217. The reversal of 2503215 is 5123052.

2503215 = T₁₁₁ + T₁₁₂ + ... + T₂₅₃.

It is a happy number.

2503215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2503213) and next prime (2503217).

It is not a de Polignac number, because 2503215 - 2¹ = 2503213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503211) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6241 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^2503215 is an apocalyptic number.

2503215 is an abundant number, since it is smaller than the sum of its proper divisors (2607345).

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

2503215 is a wasteful number, since it uses less digits than its factorization.

2503215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2503215 is about 1582.1551757018. The cubic root of 2503215 is about 135.7790349257.

Adding to 2503215 its reverse (5123052), we get a palindrome (7626267).

The spelling of 2503215 in words is "two million, five hundred three thousand, two hundred fifteen".