2500243 has 8 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 2376840.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500243 is 3420052.

It is an interprime number because it is at equal distance from previous prime (2500213) and next prime (2500273).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2500243 - 2¹³ = 2492051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500213) 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, 1146 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

2^2500243 is an apocalyptic number.

2500243 is a deficient number, since it is larger than the sum of its proper divisors (126317).

2500243 is a wasteful number, since it uses less digits than its factorization.

2500243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457.

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

The square root of 2500243 is about 1581.2156715641. The cubic root of 2500243 is about 135.7252780438.

Adding to 2500243 its reverse (3420052), we get a palindrome (5920295).

The spelling of 2500243 in words is "two million, five hundred thousand, two hundred forty-three".