2551420103 has 4 divisors (see below), whose sum is σ = 2583716640. Its totient is φ = 2519123568.

The previous prime is 2551420097. The next prime is 2551420117. The reversal of 2551420103 is 3010241552.

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 2551420103 - 2⁸ = 2551419847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551425103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16148150 + ... + 16148307.

It is an arithmetic number, because the mean of its divisors is an integer number (645929160).

Almost surely, 2^2551420103 is an apocalyptic number.

2551420103 is a deficient number, since it is larger than the sum of its proper divisors (32296537).

2551420103 is an equidigital number, since it uses as much as digits as its factorization.

2551420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32296536.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2551420103 is about 50511.5838496478. The cubic root of 2551420103 is about 1366.4507741529.

Adding to 2551420103 its reverse (3010241552), we get a palindrome (5561661655).

The spelling of 2551420103 in words is "two billion, five hundred fifty-one million, four hundred twenty thousand, one hundred three".