2551400315 has 4 divisors (see below), whose sum is σ = 3061680384. Its totient is φ = 2041120248.

The previous prime is 2551400303. The next prime is 2551400317. The reversal of 2551400315 is 5130041552.

2551400315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551400315 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551400317) 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, 255140027 + ... + 255140036.

It is an arithmetic number, because the mean of its divisors is an integer number (765420096).

Almost surely, 2^2551400315 is an apocalyptic number.

2551400315 is a deficient number, since it is larger than the sum of its proper divisors (510280069).

2551400315 is an equidigital number, since it uses as much as digits as its factorization.

2551400315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510280068.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2551400315 is about 50511.3879734066. The cubic root of 2551400315 is about 1366.4472415584.

Adding to 2551400315 its reverse (5130041552), we get a palindrome (7681441867).

The spelling of 2551400315 in words is "two billion, five hundred fifty-one million, four hundred thousand, three hundred fifteen".