2503240 has 16 divisors (see below), whose sum is σ = 5632380. Its totient is φ = 1001280.

The previous prime is 2503217. The next prime is 2503253. The reversal of 2503240 is 423052.

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 198916 = 1518^2 + 446^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 5⁹ + 0 + 3⁹ + 2¹⁹ + 4⁶ + 0 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31251 + ... + 31330.

2^2503240 is an apocalyptic number.

2503240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503240 is an abundant number, since it is smaller than the sum of its proper divisors (3129140).

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

2503240 is a wasteful number, since it uses less digits than its factorization.

2503240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62592 (or 62588 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2503240 is about 1582.1630762978. The cubic root of 2503240 is about 135.7794869397.

Adding to 2503240 its reverse (423052), we get a palindrome (2926292).

It can be divided in two parts, 250 and 3240, that multiplied together give a 4-th power (810000 = 30⁴).

The spelling of 2503240 in words is "two million, five hundred three thousand, two hundred forty".