2503225 has 6 divisors (see below), whose sum is σ = 3104030. Its totient is φ = 2002560.

The previous prime is 2503217. The next prime is 2503253. The reversal of 2503225 is 5223052.

It can be written as a sum of positive squares in 3 ways, for example, as 32041 + 2471184 = 179^2 + 1572^2 .

It is not a de Polignac number, because 2503225 - 2³ = 2503217 is a prime.

It is a super-2 number, since 2×2503225² = 12532270801250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁶ + 5² + 0 + 3⁵ + 2¹⁸ + 2²¹ + 5⁷ .

2503225 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50040 + ... + 50089.

2^2503225 is an apocalyptic number.

2503225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2503225 is a deficient number, since it is larger than the sum of its proper divisors (600805).

2503225 is a wasteful number, since it uses less digits than its factorization.

2503225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100139 (or 100134 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2503225 is about 1582.1583359449. The cubic root of 2503225 is about 135.7792157317.

Adding to 2503225 its reverse (5223052), we get a palindrome (7726277).

The spelling of 2503225 in words is "two million, five hundred three thousand, two hundred twenty-five".