2542245403 has 8 divisors (see below), whose sum is σ = 2557122480. Its totient is φ = 2527388640.

The previous prime is 2542245379. The next prime is 2542245437. The reversal of 2542245403 is 3045422452.

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 2542245403 - 2⁵ = 2542245371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542245443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297393 + ... + 305821.

It is an arithmetic number, because the mean of its divisors is an integer number (319640310).

Almost surely, 2^2542245403 is an apocalyptic number.

2542245403 is a deficient number, since it is larger than the sum of its proper divisors (14877077).

2542245403 is a wasteful number, since it uses less digits than its factorization.

2542245403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2542245403 is about 50420.6842773876. The cubic root of 2542245403 is about 1364.8109248951.

Adding to 2542245403 its reverse (3045422452), we get a palindrome (5587667855).

The spelling of 2542245403 in words is "two billion, five hundred forty-two million, two hundred forty-five thousand, four hundred three".