2497403 has 4 divisors (see below), whose sum is σ = 2531688. Its totient is φ = 2463120.

The previous prime is 2497381. The next prime is 2497421. The reversal of 2497403 is 3047942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2497403 - 2¹⁰ = 2496379 is a prime.

It is a d-powerful number, because it can be written as 2³ + 4⁶ + 9⁵ + 7⁷ + 4⁷ + 0 + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17033 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (632922).

2^2497403 is an apocalyptic number.

2497403 is a deficient number, since it is larger than the sum of its proper divisors (34285).

2497403 is an equidigital number, since it uses as much as digits as its factorization.

2497403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34284.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2497403 is about 1580.3173731881. The cubic root of 2497403 is about 135.6738689303.

The spelling of 2497403 in words is "two million, four hundred ninety-seven thousand, four hundred three".