2551423316 has 24 divisors (see below), whose sum is σ = 4809834120. Its totient is φ = 1177241472.

The previous prime is 2551423297. The next prime is 2551423333. The reversal of 2551423316 is 6133241552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 163216 + 2551260100 = 404^2 + 50510^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319970 + ... + 327846.

It is an arithmetic number, because the mean of its divisors is an integer number (200409755).

Almost surely, 2^2551423316 is an apocalyptic number.

2551423316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2551423316 is a deficient number, since it is larger than the sum of its proper divisors (2258410804).

2551423316 is a wasteful number, since it uses less digits than its factorization.

2551423316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14123 (or 14121 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2551423316 is about 50511.6156542235. The cubic root of 2551423316 is about 1366.4513477425.

Adding to 2551423316 its reverse (6133241552), we get a palindrome (8684664868).

The spelling of 2551423316 in words is "two billion, five hundred fifty-one million, four hundred twenty-three thousand, three hundred sixteen".