2551240003 has 8 divisors (see below), whose sum is σ = 2788497488. Its totient is φ = 2319840864.

The previous prime is 2551239967. The next prime is 2551240007. The reversal of 2551240003 is 3000421552.

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 2551240003 - 2⁹ = 2551239491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551240007) 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, 1463676 + ... + 1465417.

It is an arithmetic number, because the mean of its divisors is an integer number (348562186).

Almost surely, 2^2551240003 is an apocalyptic number.

2551240003 is a deficient number, since it is larger than the sum of its proper divisors (237257485).

2551240003 is a wasteful number, since it uses less digits than its factorization.

2551240003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929173.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2551240003 is about 50509.8010588044. The cubic root of 2551240003 is about 1366.4186216567.

Adding to 2551240003 its reverse (3000421552), we get a palindrome (5551661555).

The spelling of 2551240003 in words is "two billion, five hundred fifty-one million, two hundred forty thousand, three".