2551300421 has 4 divisors (see below), whose sum is σ = 2576070432. Its totient is φ = 2526530412.

The previous prime is 2551300387. The next prime is 2551300429. The reversal of 2551300421 is 1240031552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2551300421 - 2⁶ = 2551300357 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 (2551300429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12384851 + ... + 12385056.

It is an arithmetic number, because the mean of its divisors is an integer number (644017608).

Almost surely, 2^2551300421 is an apocalyptic number.

It is an amenable number.

2551300421 is a deficient number, since it is larger than the sum of its proper divisors (24770011).

2551300421 is a wasteful number, since it uses less digits than its factorization.

2551300421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24770010.

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

The square root of 2551300421 is about 50510.3991372074. The cubic root of 2551300421 is about 1366.4294079970.

Adding to 2551300421 its reverse (1240031552), we get a palindrome (3791331973).

The spelling of 2551300421 in words is "two billion, five hundred fifty-one million, three hundred thousand, four hundred twenty-one".